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| author | Andrey Andreev <narf@devilix.net> | 2018-03-22 15:48:55 +0100 |
|---|---|---|
| committer | Andrey Andreev <narf@devilix.net> | 2018-03-22 15:48:55 +0100 |
| commit | 71e647782764184e3aab4faffe6d99176758979f (patch) | |
| tree | 74dbdd50a61cd5674915c144aca9ebbc00b235b8 /user_guide/helpers/form_helper.html | |
| parent | b12fbad77bd69ca0c7624a9094c29b7691ea6107 (diff) | |
[ci skip] 3.1.8 release
Diffstat (limited to 'user_guide/helpers/form_helper.html')
| -rw-r--r-- | user_guide/helpers/form_helper.html | 1598 |
1 files changed, 1598 insertions, 0 deletions
diff --git a/user_guide/helpers/form_helper.html b/user_guide/helpers/form_helper.html new file mode 100644 index 000000000..13cb6a691 --- /dev/null +++ b/user_guide/helpers/form_helper.html @@ -0,0 +1,1598 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>Form Helper — CodeIgniter 3.1.8 documentation</title> + + + + + <link rel="shortcut icon" href="../_static/ci-icon.ico"/> + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'> + + + + + + + + + + <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" /> + + + + <link rel="index" title="Index" + href="../genindex.html"/> + <link rel="search" title="Search" 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class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li> +</ul> +</li> +</ul> +<ul class="current"> +<li class="toctree-l1 current"><a class="reference internal" href="index.html">Helpers</a><ul class="current"> +<li class="toctree-l2"><a class="reference internal" href="array_helper.html">Array Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="captcha_helper.html">CAPTCHA Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="cookie_helper.html">Cookie Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="date_helper.html">Date Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="directory_helper.html">Directory Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="download_helper.html">Download Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="email_helper.html">Email Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="file_helper.html">File Helper</a></li> +<li class="toctree-l2 current"><a class="current reference internal" href="#">Form Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="html_helper.html">HTML Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="inflector_helper.html">Inflector Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="language_helper.html">Language Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="number_helper.html">Number Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="path_helper.html">Path Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="security_helper.html">Security Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="smiley_helper.html">Smiley Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="string_helper.html">String Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="text_helper.html">Text Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="typography_helper.html">Typography Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="url_helper.html">URL Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="xml_helper.html">XML Helper</a></li> +</ul> +</li> +</ul> + + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="../index.html">CodeIgniter</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="../index.html">Docs</a> »</li> + + <li><a href="index.html">Helpers</a> »</li> + + <li>Form Helper</li> + <li class="wy-breadcrumbs-aside"> + + </li> + <div style="float:right;margin-left:5px;" id="closeMe"> + <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" /> + </div> + </ul> + <hr/> +</div> + <div role="main" class="document"> + + <div class="section" id="form-helper"> +<h1>Form Helper<a class="headerlink" href="#form-helper" title="Permalink to this headline">¶</a></h1> +<p>The Form Helper file contains functions that assist in working with +forms.</p> +<div class="contents local topic" id="contents"> +<ul class="simple"> +<li><a class="reference internal" href="#loading-this-helper" id="id1">Loading this Helper</a></li> +<li><a class="reference internal" href="#escaping-field-values" id="id2">Escaping field values</a></li> +<li><a class="reference internal" href="#available-functions" id="id3">Available Functions</a></li> +</ul> +</div> +<div class="custom-index container"></div><div class="section" id="loading-this-helper"> +<h2><a class="toc-backref" href="#id1">Loading this Helper</a><a class="headerlink" href="#loading-this-helper" title="Permalink to this headline">¶</a></h2> +<p>This helper is loaded using the following code:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">helper</span><span class="p">(</span><span class="s1">'form'</span><span class="p">);</span> +</pre></div> +</div> +</div> +<div class="section" id="escaping-field-values"> +<h2><a class="toc-backref" href="#id2">Escaping field values</a><a class="headerlink" href="#escaping-field-values" title="Permalink to this headline">¶</a></h2> +<p>You may need to use HTML and characters such as quotes within your form +elements. In order to do that safely, you’ll need to use +<a class="reference internal" href="../general/common_functions.html"><span class="doc">common function</span></a> +<code class="xref py py-func docutils literal"><span class="pre">html_escape()</span></code>.</p> +<p>Consider the following example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="s1">'Here is a string containing "quoted" text.'</span><span class="p">;</span> + +<span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"text"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"myfield"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"<?php echo </span><span class="si">$string</span><span class="s2">; ?>"</span> <span class="o">/></span> +</pre></div> +</div> +<p>Since the above string contains a set of quotes, it will cause the form +to break. The <a class="reference internal" href="../general/common_functions.html#html_escape" title="html_escape"><code class="xref php php-func docutils literal"><span class="pre">html_escape()</span></code></a> function converts HTML special +characters so that it can be used safely:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"text"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"myfield"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"<?php echo html_escape(</span><span class="si">$string</span><span class="s2">); ?>"</span> <span class="o">/></span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">If you use any of the form helper functions listed on this page, +the form values will be automatically escaped, so there is no need +to call this function. Use it only if you are creating your own +form elements.</p> +</div> +</div> +<div class="section" id="available-functions"> +<h2><a class="toc-backref" href="#id3">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline">¶</a></h2> +<p>The following functions are available:</p> +<dl class="function"> +<dt id="form_open"> +<code class="descname">form_open</code><span class="sig-paren">(</span><span class="optional">[</span><em>$action = ''</em><span class="optional">[</span>, <em>$attributes = ''</em><span class="optional">[</span>, <em>$hidden = array()</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_open" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$action</strong> (<em>string</em>) – Form action/target URI string</li> +<li><strong>$attributes</strong> (<em>array</em>) – HTML attributes</li> +<li><strong>$hidden</strong> (<em>array</em>) – An array of hidden fields’ definitions</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML form opening tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Creates an opening form tag with a base URL <strong>built from your config preferences</strong>. +It will optionally let you add form attributes and hidden input fields, and +will always add the <cite>accept-charset</cite> attribute based on the charset value in your +config file.</p> +<p>The main benefit of using this tag rather than hard coding your own HTML is that +it permits your site to be more portable in the event your URLs ever change.</p> +<p>Here’s a simple example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">'email/send'</span><span class="p">);</span> +</pre></div> +</div> +<p>The above example would create a form that points to your base URL plus the +“email/send” URI segments, like this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">form</span> <span class="nx">method</span><span class="o">=</span><span class="s2">"post"</span> <span class="nx">accept</span><span class="o">-</span><span class="nx">charset</span><span class="o">=</span><span class="s2">"utf-8"</span> <span class="nx">action</span><span class="o">=</span><span class="s2">"http://example.com/index.php/email/send"</span><span class="o">></span> +</pre></div> +</div> +<p><strong>Adding Attributes</strong></p> +<blockquote> +<div><p>Attributes can be added by passing an associative array to the second +parameter, like this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$attributes</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'class'</span> <span class="o">=></span> <span class="s1">'email'</span><span class="p">,</span> <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'myform'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">'email/send'</span><span class="p">,</span> <span class="nv">$attributes</span><span class="p">);</span> +</pre></div> +</div> +<p>Alternatively, you can specify the second parameter as a string:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">'email/send'</span><span class="p">,</span> <span class="s1">'class="email" id="myform"'</span><span class="p">);</span> +</pre></div> +</div> +<p>The above examples would create a form similar to this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">form</span> <span class="nx">method</span><span class="o">=</span><span class="s2">"post"</span> <span class="nx">accept</span><span class="o">-</span><span class="nx">charset</span><span class="o">=</span><span class="s2">"utf-8"</span> <span class="nx">action</span><span class="o">=</span><span class="s2">"http://example.com/index.php/email/send"</span> <span class="nx">class</span><span class="o">=</span><span class="s2">"email"</span> <span class="nx">id</span><span class="o">=</span><span class="s2">"myform"</span><span class="o">></span> +</pre></div> +</div> +</div></blockquote> +<p><strong>Adding Hidden Input Fields</strong></p> +<blockquote> +<div><p>Hidden fields can be added by passing an associative array to the +third parameter, like this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$hidden</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'username'</span> <span class="o">=></span> <span class="s1">'Joe'</span><span class="p">,</span> <span class="s1">'member_id'</span> <span class="o">=></span> <span class="s1">'234'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_open</span><span class="p">(</span><span class="s1">'email/send'</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="nv">$hidden</span><span class="p">);</span> +</pre></div> +</div> +<p>You can skip the second parameter by passing any falsy value to it.</p> +<p>The above example would create a form similar to this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">form</span> <span class="nx">method</span><span class="o">=</span><span class="s2">"post"</span> <span class="nx">accept</span><span class="o">-</span><span class="nx">charset</span><span class="o">=</span><span class="s2">"utf-8"</span> <span class="nx">action</span><span class="o">=</span><span class="s2">"http://example.com/index.php/email/send"</span><span class="o">></span> + <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"hidden"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"username"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"Joe"</span> <span class="o">/></span> + <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"hidden"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"member_id"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"234"</span> <span class="o">/></span> +</pre></div> +</div> +</div></blockquote> +</dd></dl> + +<dl class="function"> +<dt id="form_open_multipart"> +<code class="descname">form_open_multipart</code><span class="sig-paren">(</span><span class="optional">[</span><em>$action = ''</em><span class="optional">[</span>, <em>$attributes = array()</em><span class="optional">[</span>, <em>$hidden = array()</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_open_multipart" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$action</strong> (<em>string</em>) – Form action/target URI string</li> +<li><strong>$attributes</strong> (<em>array</em>) – HTML attributes</li> +<li><strong>$hidden</strong> (<em>array</em>) – An array of hidden fields’ definitions</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML multipart form opening tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>This function is absolutely identical to <a class="reference internal" href="#form_open" title="form_open"><code class="xref php php-func docutils literal"><span class="pre">form_open()</span></code></a> above, +except that it adds a <em>multipart</em> attribute, which is necessary if you +would like to use the form to upload files with.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_hidden"> +<code class="descname">form_hidden</code><span class="sig-paren">(</span><em>$name</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_hidden" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$name</strong> (<em>string</em>) – Field name</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML hidden input field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate hidden input fields. You can either submit a +name/value string to create one field:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">form_hidden</span><span class="p">(</span><span class="s1">'username'</span><span class="p">,</span> <span class="s1">'johndoe'</span><span class="p">);</span> +<span class="c1">// Would produce: <input type="hidden" name="username" value="johndoe" /></span> +</pre></div> +</div> +<p>… or you can submit an associative array to create multiple fields:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'John Doe'</span><span class="p">,</span> + <span class="s1">'email'</span> <span class="o">=></span> <span class="s1">'john@example.com'</span><span class="p">,</span> + <span class="s1">'url'</span> <span class="o">=></span> <span class="s1">'http://example.com'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_hidden</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> +<span class="cm"> <input type="hidden" name="name" value="John Doe" /></span> +<span class="cm"> <input type="hidden" name="email" value="john@example.com" /></span> +<span class="cm"> <input type="hidden" name="url" value="http://example.com" /></span> +<span class="cm">*/</span> +</pre></div> +</div> +<p>You can also pass an associative array to the value field:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'John Doe'</span><span class="p">,</span> + <span class="s1">'email'</span> <span class="o">=></span> <span class="s1">'john@example.com'</span><span class="p">,</span> + <span class="s1">'url'</span> <span class="o">=></span> <span class="s1">'http://example.com'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_hidden</span><span class="p">(</span><span class="s1">'my_array'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> + +<span class="cm"> <input type="hidden" name="my_array[name]" value="John Doe" /></span> +<span class="cm"> <input type="hidden" name="my_array[email]" value="john@example.com" /></span> +<span class="cm"> <input type="hidden" name="my_array[url]" value="http://example.com" /></span> +<span class="cm">*/</span> +</pre></div> +</div> +<p>If you want to create hidden input fields with extra attributes:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'type'</span> <span class="o">=></span> <span class="s1">'hidden'</span><span class="p">,</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'email'</span><span class="p">,</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'hiddenemail'</span><span class="p">,</span> + <span class="s1">'value'</span> <span class="o">=></span> <span class="s1">'john@example.com'</span><span class="p">,</span> + <span class="s1">'class'</span> <span class="o">=></span> <span class="s1">'hiddenemail'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> + +<span class="cm"> <input type="hidden" name="email" value="john@example.com" id="hiddenemail" class="hiddenemail" /></span> +<span class="cm">*/</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_input"> +<code class="descname">form_input</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_input" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML text input field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a standard text input field. You can minimally pass +the field name and value in the first and second parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="s1">'username'</span><span class="p">,</span> <span class="s1">'johndoe'</span><span class="p">);</span> +</pre></div> +</div> +<p>Or you can pass an associative array containing any data you wish your +form to contain:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'username'</span><span class="p">,</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'username'</span><span class="p">,</span> + <span class="s1">'value'</span> <span class="o">=></span> <span class="s1">'johndoe'</span><span class="p">,</span> + <span class="s1">'maxlength'</span> <span class="o">=></span> <span class="s1">'100'</span><span class="p">,</span> + <span class="s1">'size'</span> <span class="o">=></span> <span class="s1">'50'</span><span class="p">,</span> + <span class="s1">'style'</span> <span class="o">=></span> <span class="s1">'width:50%'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> + +<span class="cm"> <input type="text" name="username" value="johndoe" id="username" maxlength="100" size="50" style="width:50%" /></span> +<span class="cm">*/</span> +</pre></div> +</div> +<p>If you would like your form to contain some additional data, like +JavaScript, you can pass it as a string in the third parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="s1">'onClick="some_function()"'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="s1">'username'</span><span class="p">,</span> <span class="s1">'johndoe'</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +<p>Or you can pass it as an array:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'onClick'</span> <span class="o">=></span> <span class="s1">'some_function();'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_input</span><span class="p">(</span><span class="s1">'username'</span><span class="p">,</span> <span class="s1">'johndoe'</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_password"> +<code class="descname">form_password</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_password" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML password input field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>This function is identical in all respects to the <a class="reference internal" href="#form_input" title="form_input"><code class="xref php php-func docutils literal"><span class="pre">form_input()</span></code></a> +function above except that it uses the “password” input type.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_upload"> +<code class="descname">form_upload</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_upload" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML file upload input field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>This function is identical in all respects to the <a class="reference internal" href="#form_input" title="form_input"><code class="xref php php-func docutils literal"><span class="pre">form_input()</span></code></a> +function above except that it uses the “file” input type, allowing it to +be used to upload files.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_textarea"> +<code class="descname">form_textarea</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_textarea" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML textarea tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>This function is identical in all respects to the <a class="reference internal" href="#form_input" title="form_input"><code class="xref php php-func docutils literal"><span class="pre">form_input()</span></code></a> +function above except that it generates a “textarea” type.</p> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">Instead of the <em>maxlength</em> and <em>size</em> attributes in the above example, +you will instead specify <em>rows</em> and <em>cols</em>.</p> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_dropdown"> +<code class="descname">form_dropdown</code><span class="sig-paren">(</span><span class="optional">[</span><em>$name = ''</em><span class="optional">[</span>, <em>$options = array()</em><span class="optional">[</span>, <em>$selected = array()</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_dropdown" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$name</strong> (<em>string</em>) – Field name</li> +<li><strong>$options</strong> (<em>array</em>) – An associative array of options to be listed</li> +<li><strong>$selected</strong> (<em>array</em>) – List of fields to mark with the <em>selected</em> attribute</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML dropdown select field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you create a standard drop-down field. The first parameter will +contain the name of the field, the second parameter will contain an +associative array of options, and the third parameter will contain the +value you wish to be selected. You can also pass an array of multiple +items through the third parameter, and CodeIgniter will create a +multiple select for you.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$options</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'small'</span> <span class="o">=></span> <span class="s1">'Small Shirt'</span><span class="p">,</span> + <span class="s1">'med'</span> <span class="o">=></span> <span class="s1">'Medium Shirt'</span><span class="p">,</span> + <span class="s1">'large'</span> <span class="o">=></span> <span class="s1">'Large Shirt'</span><span class="p">,</span> + <span class="s1">'xlarge'</span> <span class="o">=></span> <span class="s1">'Extra Large Shirt'</span><span class="p">,</span> +<span class="p">);</span> + +<span class="nv">$shirts_on_sale</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'small'</span><span class="p">,</span> <span class="s1">'large'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_dropdown</span><span class="p">(</span><span class="s1">'shirts'</span><span class="p">,</span> <span class="nv">$options</span><span class="p">,</span> <span class="s1">'large'</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> + +<span class="cm"> <select name="shirts"></span> +<span class="cm"> <option value="small">Small Shirt</option></span> +<span class="cm"> <option value="med">Medium Shirt</option></span> +<span class="cm"> <option value="large" selected="selected">Large Shirt</option></span> +<span class="cm"> <option value="xlarge">Extra Large Shirt</option></span> +<span class="cm"> </select></span> +<span class="cm">*/</span> + +<span class="k">echo</span> <span class="nx">form_dropdown</span><span class="p">(</span><span class="s1">'shirts'</span><span class="p">,</span> <span class="nv">$options</span><span class="p">,</span> <span class="nv">$shirts_on_sale</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce:</span> + +<span class="cm"> <select name="shirts" multiple="multiple"></span> +<span class="cm"> <option value="small" selected="selected">Small Shirt</option></span> +<span class="cm"> <option value="med">Medium Shirt</option></span> +<span class="cm"> <option value="large" selected="selected">Large Shirt</option></span> +<span class="cm"> <option value="xlarge">Extra Large Shirt</option></span> +<span class="cm"> </select></span> +<span class="cm">*/</span> +</pre></div> +</div> +<p>If you would like the opening <select> to contain additional data, like +an id attribute or JavaScript, you can pass it as a string in the fourth +parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="s1">'id="shirts" onChange="some_function();"'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_dropdown</span><span class="p">(</span><span class="s1">'shirts'</span><span class="p">,</span> <span class="nv">$options</span><span class="p">,</span> <span class="s1">'large'</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +<p>Or you can pass it as an array:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'shirts'</span><span class="p">,</span> + <span class="s1">'onChange'</span> <span class="o">=></span> <span class="s1">'some_function();'</span> +<span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_dropdown</span><span class="p">(</span><span class="s1">'shirts'</span><span class="p">,</span> <span class="nv">$options</span><span class="p">,</span> <span class="s1">'large'</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +<p>If the array passed as <code class="docutils literal"><span class="pre">$options</span></code> is a multidimensional array, then +<code class="docutils literal"><span class="pre">form_dropdown()</span></code> will produce an <optgroup> with the array key as the +label.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_multiselect"> +<code class="descname">form_multiselect</code><span class="sig-paren">(</span><span class="optional">[</span><em>$name = ''</em><span class="optional">[</span>, <em>$options = array()</em><span class="optional">[</span>, <em>$selected = array()</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_multiselect" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$name</strong> (<em>string</em>) – Field name</li> +<li><strong>$options</strong> (<em>array</em>) – An associative array of options to be listed</li> +<li><strong>$selected</strong> (<em>array</em>) – List of fields to mark with the <em>selected</em> attribute</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML dropdown multiselect field tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you create a standard multiselect field. The first parameter will +contain the name of the field, the second parameter will contain an +associative array of options, and the third parameter will contain the +value or values you wish to be selected.</p> +<p>The parameter usage is identical to using <a class="reference internal" href="#form_dropdown" title="form_dropdown"><code class="xref php php-func docutils literal"><span class="pre">form_dropdown()</span></code></a> above, +except of course that the name of the field will need to use POST array +syntax, e.g. foo[].</p> +</dd></dl> + +<dl class="function"> +<dt id="form_fieldset"> +<code class="descname">form_fieldset</code><span class="sig-paren">(</span><span class="optional">[</span><em>$legend_text = ''</em><span class="optional">[</span>, <em>$attributes = array()</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_fieldset" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$legend_text</strong> (<em>string</em>) – Text to put in the <legend> tag</li> +<li><strong>$attributes</strong> (<em>array</em>) – Attributes to be set on the <fieldset> tag</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML fieldset opening tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate fieldset/legend fields.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_fieldset</span><span class="p">(</span><span class="s1">'Address Information'</span><span class="p">);</span> +<span class="k">echo</span> <span class="s2">"<p>fieldset content here</p></span><span class="se">\n</span><span class="s2">"</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_fieldset_close</span><span class="p">();</span> + +<span class="cm">/*</span> +<span class="cm"> Produces:</span> + +<span class="cm"> <fieldset></span> +<span class="cm"> <legend>Address Information</legend></span> +<span class="cm"> <p>form content here</p></span> +<span class="cm"> </fieldset></span> +<span class="cm">*/</span> +</pre></div> +</div> +<p>Similar to other functions, you can submit an associative array in the +second parameter if you prefer to set additional attributes:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$attributes</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'address_info'</span><span class="p">,</span> + <span class="s1">'class'</span> <span class="o">=></span> <span class="s1">'address_info'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_fieldset</span><span class="p">(</span><span class="s1">'Address Information'</span><span class="p">,</span> <span class="nv">$attributes</span><span class="p">);</span> +<span class="k">echo</span> <span class="s2">"<p>fieldset content here</p></span><span class="se">\n</span><span class="s2">"</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_fieldset_close</span><span class="p">();</span> + +<span class="cm">/*</span> +<span class="cm"> Produces:</span> + +<span class="cm"> <fieldset id="address_info" class="address_info"></span> +<span class="cm"> <legend>Address Information</legend></span> +<span class="cm"> <p>form content here</p></span> +<span class="cm"> </fieldset></span> +<span class="cm">*/</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_fieldset_close"> +<code class="descname">form_fieldset_close</code><span class="sig-paren">(</span><span class="optional">[</span><em>$extra = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_fieldset_close" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$extra</strong> (<em>string</em>) – Anything to append after the closing tag, <em>as is</em></li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML fieldset closing tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Produces a closing </fieldset> tag. The only advantage to using this +function is it permits you to pass data to it which will be added below +the tag. For example</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="s1">'</div></div>'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_fieldset_close</span><span class="p">(</span><span class="nv">$string</span><span class="p">);</span> +<span class="c1">// Would produce: </fieldset></div></div></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_checkbox"> +<code class="descname">form_checkbox</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$checked = FALSE</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_checkbox" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$checked</strong> (<em>bool</em>) – Whether to mark the checkbox as being <em>checked</em></li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML checkbox input tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a checkbox field. Simple example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_checkbox</span><span class="p">(</span><span class="s1">'newsletter'</span><span class="p">,</span> <span class="s1">'accept'</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span> +<span class="c1">// Would produce: <input type="checkbox" name="newsletter" value="accept" checked="checked" /></span> +</pre></div> +</div> +<p>The third parameter contains a boolean TRUE/FALSE to determine whether +the box should be checked or not.</p> +<p>Similar to the other form functions in this helper, you can also pass an +array of attributes to the function:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'newsletter'</span><span class="p">,</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'newsletter'</span><span class="p">,</span> + <span class="s1">'value'</span> <span class="o">=></span> <span class="s1">'accept'</span><span class="p">,</span> + <span class="s1">'checked'</span> <span class="o">=></span> <span class="k">TRUE</span><span class="p">,</span> + <span class="s1">'style'</span> <span class="o">=></span> <span class="s1">'margin:10px'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_checkbox</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> +<span class="c1">// Would produce: <input type="checkbox" name="newsletter" id="newsletter" value="accept" checked="checked" style="margin:10px" /></span> +</pre></div> +</div> +<p>Also as with other functions, if you would like the tag to contain +additional data like JavaScript, you can pass it as a string in the +fourth parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="s1">'onClick="some_function()"'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_checkbox</span><span class="p">(</span><span class="s1">'newsletter'</span><span class="p">,</span> <span class="s1">'accept'</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +<p>Or you can pass it as an array:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'onClick'</span> <span class="o">=></span> <span class="s1">'some_function();'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nx">form_checkbox</span><span class="p">(</span><span class="s1">'newsletter'</span><span class="p">,</span> <span class="s1">'accept'</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_radio"> +<code class="descname">form_radio</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$checked = FALSE</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_radio" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>array</em>) – Field attributes data</li> +<li><strong>$value</strong> (<em>string</em>) – Field value</li> +<li><strong>$checked</strong> (<em>bool</em>) – Whether to mark the radio button as being <em>checked</em></li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML radio input tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>This function is identical in all respects to the <a class="reference internal" href="#form_checkbox" title="form_checkbox"><code class="xref php php-func docutils literal"><span class="pre">form_checkbox()</span></code></a> +function above except that it uses the “radio” input type.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_label"> +<code class="descname">form_label</code><span class="sig-paren">(</span><span class="optional">[</span><em>$label_text = ''</em><span class="optional">[</span>, <em>$id = ''</em><span class="optional">[</span>, <em>$attributes = array()</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_label" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$label_text</strong> (<em>string</em>) – Text to put in the <label> tag</li> +<li><strong>$id</strong> (<em>string</em>) – ID of the form element that we’re making a label for</li> +<li><strong>$attributes</strong> (<em>mixed</em>) – HTML attributes</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML field label tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a <label>. Simple example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_label</span><span class="p">(</span><span class="s1">'What is your Name'</span><span class="p">,</span> <span class="s1">'username'</span><span class="p">);</span> +<span class="c1">// Would produce: <label for="username">What is your Name</label></span> +</pre></div> +</div> +<p>Similar to other functions, you can submit an associative array in the +third parameter if you prefer to set additional attributes.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$attributes</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'class'</span> <span class="o">=></span> <span class="s1">'mycustomclass'</span><span class="p">,</span> + <span class="s1">'style'</span> <span class="o">=></span> <span class="s1">'color: #000;'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_label</span><span class="p">(</span><span class="s1">'What is your Name'</span><span class="p">,</span> <span class="s1">'username'</span><span class="p">,</span> <span class="nv">$attributes</span><span class="p">);</span> +<span class="c1">// Would produce: <label for="username" class="mycustomclass" style="color: #000;">What is your Name</label></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_submit"> +<code class="descname">form_submit</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_submit" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>string</em>) – Button name</li> +<li><strong>$value</strong> (<em>string</em>) – Button value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML input submit tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a standard submit button. Simple example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_submit</span><span class="p">(</span><span class="s1">'mysubmit'</span><span class="p">,</span> <span class="s1">'Submit Post!'</span><span class="p">);</span> +<span class="c1">// Would produce: <input type="submit" name="mysubmit" value="Submit Post!" /></span> +</pre></div> +</div> +<p>Similar to other functions, you can submit an associative array in the +first parameter if you prefer to set your own attributes. The third +parameter lets you add extra data to your form, like JavaScript.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_reset"> +<code class="descname">form_reset</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_reset" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>string</em>) – Button name</li> +<li><strong>$value</strong> (<em>string</em>) – Button value</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML input reset button tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a standard reset button. Use is identical to +<code class="xref py py-func docutils literal"><span class="pre">form_submit()</span></code>.</p> +</dd></dl> + +<dl class="function"> +<dt id="form_button"> +<code class="descname">form_button</code><span class="sig-paren">(</span><span class="optional">[</span><em>$data = ''</em><span class="optional">[</span>, <em>$content = ''</em><span class="optional">[</span>, <em>$extra = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_button" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$data</strong> (<em>string</em>) – Button name</li> +<li><strong>$content</strong> (<em>string</em>) – Button label</li> +<li><strong>$extra</strong> (<em>mixed</em>) – Extra attributes to be added to the tag either as an array or a literal string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML button tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you generate a standard button element. You can minimally pass the +button name and content in the first and second parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">form_button</span><span class="p">(</span><span class="s1">'name'</span><span class="p">,</span><span class="s1">'content'</span><span class="p">);</span> +<span class="c1">// Would produce: <button name="name" type="button">Content</button></span> +</pre></div> +</div> +<p>Or you can pass an associative array containing any data you wish your +form to contain:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'name'</span> <span class="o">=></span> <span class="s1">'button'</span><span class="p">,</span> + <span class="s1">'id'</span> <span class="o">=></span> <span class="s1">'button'</span><span class="p">,</span> + <span class="s1">'value'</span> <span class="o">=></span> <span class="s1">'true'</span><span class="p">,</span> + <span class="s1">'type'</span> <span class="o">=></span> <span class="s1">'reset'</span><span class="p">,</span> + <span class="s1">'content'</span> <span class="o">=></span> <span class="s1">'Reset'</span> +<span class="p">);</span> + +<span class="k">echo</span> <span class="nx">form_button</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> +<span class="c1">// Would produce: <button name="button" id="button" value="true" type="reset">Reset</button></span> +</pre></div> +</div> +<p>If you would like your form to contain some additional data, like +JavaScript, you can pass it as a string in the third parameter:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$js</span> <span class="o">=</span> <span class="s1">'onClick="some_function()"'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_button</span><span class="p">(</span><span class="s1">'mybutton'</span><span class="p">,</span> <span class="s1">'Click Me'</span><span class="p">,</span> <span class="nv">$js</span><span class="p">);</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_close"> +<code class="descname">form_close</code><span class="sig-paren">(</span><span class="optional">[</span><em>$extra = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_close" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$extra</strong> (<em>string</em>) – Anything to append after the closing tag, <em>as is</em></li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An HTML form closing tag</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Produces a closing </form> tag. The only advantage to using this +function is it permits you to pass data to it which will be added below +the tag. For example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="s1">'</div></div>'</span><span class="p">;</span> +<span class="k">echo</span> <span class="nx">form_close</span><span class="p">(</span><span class="nv">$string</span><span class="p">);</span> +<span class="c1">// Would produce: </form> </div></div></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="set_value"> +<code class="descname">set_value</code><span class="sig-paren">(</span><em>$field</em><span class="optional">[</span>, <em>$default = ''</em><span class="optional">[</span>, <em>$html_escape = TRUE</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_value" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$field</strong> (<em>string</em>) – Field name</li> +<li><strong>$default</strong> (<em>string</em>) – Default value</li> +<li><strong>$html_escape</strong> (<em>bool</em>) – Whether to turn off HTML escaping of the value</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Field value</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Permits you to set the value of an input form or textarea. You must +supply the field name via the first parameter of the function. The +second (optional) parameter allows you to set a default value for the +form. The third (optional) parameter allows you to turn off HTML escaping +of the value, in case you need to use this function in combination with +i.e. <a class="reference internal" href="#form_input" title="form_input"><code class="xref php php-func docutils literal"><span class="pre">form_input()</span></code></a> and avoid double-escaping.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"text"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"quantity"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"<?php echo set_value('quantity', '0'); ?>"</span> <span class="nx">size</span><span class="o">=</span><span class="s2">"50"</span> <span class="o">/></span> +</pre></div> +</div> +<p>The above form will show “0” when loaded for the first time.</p> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">If you’ve loaded the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation Library</span></a> and +have set a validation rule for the field name in use with this helper, then it will +forward the call to the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation Library</span></a>’s +own <code class="docutils literal"><span class="pre">set_value()</span></code> method. Otherwise, this function looks in <code class="docutils literal"><span class="pre">$_POST</span></code> for the +field value.</p> +</div> +</dd></dl> + +<dl class="function"> +<dt id="set_select"> +<code class="descname">set_select</code><span class="sig-paren">(</span><em>$field</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$default = FALSE</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_select" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$field</strong> (<em>string</em>) – Field name</li> +<li><strong>$value</strong> (<em>string</em>) – Value to check for</li> +<li><strong>$default</strong> (<em>string</em>) – Whether the value is also a default one</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">‘selected’ attribute or an empty string</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>If you use a <select> menu, this function permits you to display the +menu item that was selected.</p> +<p>The first parameter must contain the name of the select menu, the second +parameter must contain the value of each item, and the third (optional) +parameter lets you set an item as the default (use boolean TRUE/FALSE).</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">select</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"myselect"</span><span class="o">></span> + <span class="o"><</span><span class="nx">option</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"one"</span> <span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">set_select</span><span class="p">(</span><span class="s1">'myselect'</span><span class="p">,</span> <span class="s1">'one'</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span> <span class="cp">?></span> >One<span class="p"></</span><span class="nt">option</span><span class="p">></span> + <span class="p"><</span><span class="nt">option</span> <span class="na">value</span><span class="o">=</span><span class="s">"two"</span> <span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">set_select</span><span class="p">(</span><span class="s1">'myselect'</span><span class="p">,</span> <span class="s1">'two'</span><span class="p">);</span> <span class="cp">?></span> <span class="p">></span>Two<span class="p"></</span><span class="nt">option</span><span class="p">></span> + <span class="p"><</span><span class="nt">option</span> <span class="na">value</span><span class="o">=</span><span class="s">"three"</span> <span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">set_select</span><span class="p">(</span><span class="s1">'myselect'</span><span class="p">,</span> <span class="s1">'three'</span><span class="p">);</span> <span class="cp">?></span> <span class="p">></span>Three<span class="p"></</span><span class="nt">option</span><span class="p">></span> +<span class="p"></</span><span class="nt">select</span><span class="p">></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="set_checkbox"> +<code class="descname">set_checkbox</code><span class="sig-paren">(</span><em>$field</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$default = FALSE</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_checkbox" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$field</strong> (<em>string</em>) – Field name</li> +<li><strong>$value</strong> (<em>string</em>) – Value to check for</li> +<li><strong>$default</strong> (<em>string</em>) – Whether the value is also a default one</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">‘checked’ attribute or an empty string</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Permits you to display a checkbox in the state it was submitted.</p> +<p>The first parameter must contain the name of the checkbox, the second +parameter must contain its value, and the third (optional) parameter +lets you set an item as the default (use boolean TRUE/FALSE).</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"checkbox"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"mycheck"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"1"</span> <span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">set_checkbox</span><span class="p">(</span><span class="s1">'mycheck'</span><span class="p">,</span> <span class="s1">'1'</span><span class="p">);</span> <span class="cp">?></span> /> +<span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"checkbox"</span> <span class="na">name</span><span class="o">=</span><span class="s">"mycheck"</span> <span class="na">value</span><span class="o">=</span><span class="s">"2"</span> <span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">set_checkbox</span><span class="p">(</span><span class="s1">'mycheck'</span><span class="p">,</span> <span class="s1">'2'</span><span class="p">);</span> <span class="cp">?></span> <span class="p">/></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="set_radio"> +<code class="descname">set_radio</code><span class="sig-paren">(</span><em>$field</em><span class="optional">[</span>, <em>$value = ''</em><span class="optional">[</span>, <em>$default = FALSE</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_radio" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$field</strong> (<em>string</em>) – Field name</li> +<li><strong>$value</strong> (<em>string</em>) – Value to check for</li> +<li><strong>$default</strong> (<em>string</em>) – Whether the value is also a default one</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">‘checked’ attribute or an empty string</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Permits you to display radio buttons in the state they were submitted. +This function is identical to the <a class="reference internal" href="#set_checkbox" title="set_checkbox"><code class="xref php php-func docutils literal"><span class="pre">set_checkbox()</span></code></a> function above.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"radio"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"myradio"</span> <span class="nx">value</span><span class="o">=</span><span class="s2">"1"</span> <span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">set_radio</span><span class="p">(</span><span class="s1">'myradio'</span><span class="p">,</span> <span class="s1">'1'</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span> <span class="cp">?></span> /> +<span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"radio"</span> <span class="na">name</span><span class="o">=</span><span class="s">"myradio"</span> <span class="na">value</span><span class="o">=</span><span class="s">"2"</span> <span class="cp"><?php</span> <span class="k">echo</span> <span class="nx">set_radio</span><span class="p">(</span><span class="s1">'myradio'</span><span class="p">,</span> <span class="s1">'2'</span><span class="p">);</span> <span class="cp">?></span> <span class="p">/></span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">If you are using the Form Validation class, you must always specify +a rule for your field, even if empty, in order for the <code class="docutils literal"><span class="pre">set_*()</span></code> +functions to work. This is because if a Form Validation object is +defined, the control for <code class="docutils literal"><span class="pre">set_*()</span></code> is handed over to a method of the +class instead of the generic helper function.</p> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_error"> +<code class="descname">form_error</code><span class="sig-paren">(</span><span class="optional">[</span><em>$field = ''</em><span class="optional">[</span>, <em>$prefix = ''</em><span class="optional">[</span>, <em>$suffix = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#form_error" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$field</strong> (<em>string</em>) – Field name</li> +<li><strong>$prefix</strong> (<em>string</em>) – Error opening tag</li> +<li><strong>$suffix</strong> (<em>string</em>) – Error closing tag</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">HTML-formatted form validation error message(s)</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Returns a validation error message from the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation Library</span></a>, associated with the specified field name. +You can optionally specify opening and closing tag(s) to put around the error +message.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="c1">// Assuming that the 'username' field value was incorrect:</span> +<span class="k">echo</span> <span class="nx">form_error</span><span class="p">(</span><span class="s1">'myfield'</span><span class="p">,</span> <span class="s1">'<div class="error">'</span><span class="p">,</span> <span class="s1">'</div>'</span><span class="p">);</span> + +<span class="c1">// Would produce: <div class="error">Error message associated with the "username" field.</div></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="validation_errors"> +<code class="descname">validation_errors</code><span class="sig-paren">(</span><span class="optional">[</span><em>$prefix = ''</em><span class="optional">[</span>, <em>$suffix = ''</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#validation_errors" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$prefix</strong> (<em>string</em>) – Error opening tag</li> +<li><strong>$suffix</strong> (<em>string</em>) – Error closing tag</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">HTML-formatted form validation error message(s)</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Similarly to the <a class="reference internal" href="#form_error" title="form_error"><code class="xref php php-func docutils literal"><span class="pre">form_error()</span></code></a> function, returns all validation +error messages produced by the <a class="reference internal" href="../libraries/form_validation.html"><span class="doc">Form Validation Library</span></a>, with optional opening and closing tags +around each of the messages.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">echo</span> <span class="nx">validation_errors</span><span class="p">(</span><span class="s1">'<span class="error">'</span><span class="p">,</span> <span class="s1">'</span>'</span><span class="p">);</span> + +<span class="cm">/*</span> +<span class="cm"> Would produce, e.g.:</span> + +<span class="cm"> <span class="error">The "email" field doesn't contain a valid e-mail address!</span></span> +<span class="cm"> <span class="error">The "password" field doesn't match the "repeat_password" field!</span></span> + +<span class="cm"> */</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="form_prep"> +<code class="descname">form_prep</code><span class="sig-paren">(</span><em>$str</em><span class="sig-paren">)</span><a class="headerlink" href="#form_prep" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$str</strong> (<em>string</em>) – Value to escape</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Escaped value</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Allows you to safely use HTML and characters such as quotes within form +elements without breaking out of the form.</p> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">If you use any of the form helper functions listed in this page the form +values will be prepped automatically, so there is no need to call this +function. Use it only if you are creating your own form elements.</p> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">This function is DEPRECATED and is just an alias for +<a class="reference internal" href="../general/common_functions.html"><span class="doc">common function</span></a> +<code class="xref py py-func docutils literal"><span class="pre">html_escape()</span></code> - please use that instead.</p> +</div> +</dd></dl> + +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="html_helper.html" class="btn btn-neutral float-right" title="HTML Helper">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="file_helper.html" class="btn btn-neutral" title="File Helper"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014 - 2018, British Columbia Institute of Technology. + Last updated on Mar 22, 2018. + </p> + </div> + + Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. + +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'3.1.8', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: false + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html>
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