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diff --git a/user_guide/libraries/output.html b/user_guide/libraries/output.html deleted file mode 100644 index c74ca33de..000000000 --- a/user_guide/libraries/output.html +++ /dev/null @@ -1,913 +0,0 @@ - - -<!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>Output Class — CodeIgniter 3.1.5 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="top" title="CodeIgniter 3.1.5 documentation" href="../index.html"/> - <link rel="up" 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-<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li> -<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li> -</ul> -</li> -</ul> -<ul class="current"> -<li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current"> -<li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li> -<li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="email.html">Email Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li> -<li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li> -<li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li> -<li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li> -<li class="toctree-l2"><a class="reference 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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> -<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul> -<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li> -<li class="toctree-l2"><a class="reference internal" href="../helpers/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">Libraries</a> »</li> - - <li>Output Class</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="output-class"> -<h1>Output Class<a class="headerlink" href="#output-class" title="Permalink to this headline">¶</a></h1> -<p>The Output class is a core class with one main function: To send the -finalized web page to the requesting browser. It is also responsible for -<a class="reference internal" href="../general/caching.html"><em>caching</em></a> your web pages, if you use that -feature.</p> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">This class is initialized automatically by the system so there -is no need to do it manually.</p> -</div> -<p>Under normal circumstances you won’t even notice the Output class since -it works transparently without your intervention. For example, when you -use the <a class="reference internal" href="loader.html"><em>Loader</em></a> class to load a view file, -it’s automatically passed to the Output class, which will be called -automatically by CodeIgniter at the end of system execution. It is -possible, however, for you to manually intervene with the output if you -need to.</p> -<div class="contents local topic" id="contents"> -<ul class="simple"> -<li><a class="reference internal" href="#class-reference" id="id1">Class Reference</a></li> -</ul> -</div> -<div class="custom-index container"></div><div class="section" id="class-reference"> -<h2><a class="toc-backref" href="#id1">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2> -<dl class="class"> -<dt id="CI_Output"> -<em class="property">class </em><tt class="descname">CI_Output</tt><a class="headerlink" href="#CI_Output" title="Permalink to this definition">¶</a></dt> -<dd><dl class="attribute"> -<dt> -<tt class="descname">$parse_exec_vars = TRUE;</tt></dt> -<dd><p>Enables/disables parsing of the {elapsed_time} and {memory_usage} pseudo-variables.</p> -<p>CodeIgniter will parse those tokens in your output by default. To disable this, set -this property to FALSE in your controller.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">parse_exec_vars</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span> -</pre></div> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::set_output"> -<tt class="descname">set_output</tt><big>(</big><em>$output</em><big>)</big><a class="headerlink" href="#CI_Output::set_output" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$output</strong> (<em>string</em>) – String to set the output to</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to manually set the final output string. Usage example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_output</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">If you do set your output manually, it must be the last thing done -in the function you call it from. For example, if you build a page in one -of your controller methods, don’t set the output until the end.</p> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::set_content_type"> -<tt class="descname">set_content_type</tt><big>(</big><em>$mime_type</em><span class="optional">[</span>, <em>$charset = NULL</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Output::set_content_type" 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>$mime_type</strong> (<em>string</em>) – MIME Type idenitifer string</li> -<li><strong>$charset</strong> (<em>string</em>) – Character set</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to set the mime-type of your page so you can serve JSON data, JPEG’s, XML, etc easily.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span> - <span class="o">-></span><span class="na">set_content_type</span><span class="p">(</span><span class="s1">'application/json'</span><span class="p">)</span> - <span class="o">-></span><span class="na">set_output</span><span class="p">(</span><span class="nb">json_encode</span><span class="p">(</span><span class="k">array</span><span class="p">(</span><span class="s1">'foo'</span> <span class="o">=></span> <span class="s1">'bar'</span><span class="p">)));</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span> - <span class="o">-></span><span class="na">set_content_type</span><span class="p">(</span><span class="s1">'jpeg'</span><span class="p">)</span> <span class="c1">// You could also use ".jpeg" which will have the full stop removed before looking in config/mimes.php</span> - <span class="o">-></span><span class="na">set_output</span><span class="p">(</span><span class="nb">file_get_contents</span><span class="p">(</span><span class="s1">'files/something.jpg'</span><span class="p">));</span> -</pre></div> -</div> -<div class="admonition important"> -<p class="first admonition-title">Important</p> -<p class="last">Make sure any non-mime string you pass to this method -exists in <em>application/config/mimes.php</em> or it will have no effect.</p> -</div> -<p>You can also set the character set of the document, by passing a second argument:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_content_type</span><span class="p">(</span><span class="s1">'css'</span><span class="p">,</span> <span class="s1">'utf-8'</span><span class="p">);</span> -</pre></div> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::get_content_type"> -<tt class="descname">get_content_type</tt><big>(</big><big>)</big><a class="headerlink" href="#CI_Output::get_content_type" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Content-Type string</td> -</tr> -<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">string</td> -</tr> -</tbody> -</table> -<p>Returns the Content-Type HTTP header that’s currently in use, excluding the character set value.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$mime</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">get_content_type</span><span class="p">();</span> -</pre></div> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">If not set, the default return value is ‘text/html’.</p> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::get_header"> -<tt class="descname">get_header</tt><big>(</big><em>$header</em><big>)</big><a class="headerlink" href="#CI_Output::get_header" 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>$header</strong> (<em>string</em>) – HTTP header name</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">HTTP response header or NULL if not found</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">mixed</p> -</td> -</tr> -</tbody> -</table> -<p>Returns the requested HTTP header value, or NULL if the requested header is not set. -Example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_content_type</span><span class="p">(</span><span class="s1">'text/plain'</span><span class="p">,</span> <span class="s1">'UTF-8'</span><span class="p">);</span> -<span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">get_header</span><span class="p">(</span><span class="s1">'content-type'</span><span class="p">);</span> -<span class="c1">// Outputs: text/plain; charset=utf-8</span> -</pre></div> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">The header name is compared in a case-insensitive manner.</p> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">Raw headers sent via PHP’s native <tt class="docutils literal"><span class="pre">header()</span></tt> function are also detected.</p> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::get_output"> -<tt class="descname">get_output</tt><big>(</big><big>)</big><a class="headerlink" href="#CI_Output::get_output" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Output string</td> -</tr> -<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">string</td> -</tr> -</tbody> -</table> -<p>Permits you to manually retrieve any output that has been sent for -storage in the output class. Usage example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">get_output</span><span class="p">();</span> -</pre></div> -</div> -<p>Note that data will only be retrievable from this function if it has -been previously sent to the output class by one of the CodeIgniter -functions like <tt class="docutils literal"><span class="pre">$this->load->view()</span></tt>.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::append_output"> -<tt class="descname">append_output</tt><big>(</big><em>$output</em><big>)</big><a class="headerlink" href="#CI_Output::append_output" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$output</strong> (<em>string</em>) – Additional output data to append</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Appends data onto the output string.</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">append_output</span><span class="p">(</span><span class="nv">$data</span><span class="p">);</span> -</pre></div> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::set_header"> -<tt class="descname">set_header</tt><big>(</big><em>$header</em><span class="optional">[</span>, <em>$replace = TRUE</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Output::set_header" 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>$header</strong> (<em>string</em>) – HTTP response header</li> -<li><strong>$replace</strong> (<em>bool</em>) – Whether to replace the old header value, if it is already set</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to manually set server headers, which the output class will -send for you when outputting the final rendered display. Example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'HTTP/1.0 200 OK'</span><span class="p">);</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'HTTP/1.1 200 OK'</span><span class="p">);</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'Last-Modified: '</span><span class="o">.</span><span class="nb">gmdate</span><span class="p">(</span><span class="s1">'D, d M Y H:i:s'</span><span class="p">,</span> <span class="nv">$last_update</span><span class="p">)</span><span class="o">.</span><span class="s1">' GMT'</span><span class="p">);</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'Cache-Control: no-store, no-cache, must-revalidate'</span><span class="p">);</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'Cache-Control: post-check=0, pre-check=0'</span><span class="p">);</span> -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_header</span><span class="p">(</span><span class="s1">'Pragma: no-cache'</span><span class="p">);</span> -</pre></div> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::set_status_header"> -<tt class="descname">set_status_header</tt><big>(</big><span class="optional">[</span><em>$code = 200</em><span class="optional">[</span>, <em>$text = ''</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Output::set_status_header" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$code</strong> (<em>int</em>) – HTTP status code</li> -<li><strong>$text</strong> (<em>string</em>) – Optional message</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to manually set a server status header. Example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_status_header</span><span class="p">(</span><span class="mi">401</span><span class="p">);</span> -<span class="c1">// Sets the header as: Unauthorized</span> -</pre></div> -</div> -<p><a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html">See here</a> for a full list of headers.</p> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">This method is an alias for <a class="reference internal" href="../general/common_functions.html"><em>Common function</em></a> -<tt class="xref py py-func docutils literal"><span class="pre">set_status_header()</span></tt>.</p> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::enable_profiler"> -<tt class="descname">enable_profiler</tt><big>(</big><span class="optional">[</span><em>$val = TRUE</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Output::enable_profiler" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$val</strong> (<em>bool</em>) – Whether to enable or disable the Profiler</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to enable/disable the <a class="reference internal" href="../general/profiling.html"><em>Profiler</em></a>, which will display benchmark -and other data at the bottom of your pages for debugging and optimization purposes.</p> -<p>To enable the profiler place the following line anywhere within your -<a class="reference internal" href="../general/controllers.html"><em>Controller</em></a> methods:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">enable_profiler</span><span class="p">(</span><span class="k">TRUE</span><span class="p">);</span> -</pre></div> -</div> -<p>When enabled a report will be generated and inserted at the bottom of your pages.</p> -<p>To disable the profiler you would use:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">enable_profiler</span><span class="p">(</span><span class="k">FALSE</span><span class="p">);</span> -</pre></div> -</div> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::set_profiler_sections"> -<tt class="descname">set_profiler_sections</tt><big>(</big><em>$sections</em><big>)</big><a class="headerlink" href="#CI_Output::set_profiler_sections" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$sections</strong> (<em>array</em>) – Profiler sections</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Permits you to enable/disable specific sections of the Profiler when it is enabled. -Please refer to the <a class="reference internal" href="../general/profiling.html"><em>Profiler</em></a> documentation for further information.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::cache"> -<tt class="descname">cache</tt><big>(</big><em>$time</em><big>)</big><a class="headerlink" href="#CI_Output::cache" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$time</strong> (<em>int</em>) – Cache expiration time in minutes</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Output instance (method chaining)</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Output</p> -</td> -</tr> -</tbody> -</table> -<p>Caches the current page for the specified amount of minutes.</p> -<p>For more information, please see the <a class="reference internal" href="../general/caching.html"><em>caching documentation</em></a>.</p> -</dd></dl> - -<dl class="method"> -<dt id="CI_Output::_display"> -<tt class="descname">_display</tt><big>(</big><span class="optional">[</span><em>$output = ''</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_Output::_display" title="Permalink to this definition">¶</a></dt> -<dd><table class="docutils field-list" frame="void" rules="none"> -<col class="field-name" /> -<col class="field-body" /> -<tbody valign="top"> -<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> -<li><strong>$output</strong> (<em>string</em>) – Output data override</li> -</ul> -</td> -</tr> -<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">void</p> -</td> -</tr> -<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p> -</td> -</tr> -</tbody> -</table> -<p>Sends finalized output data to the browser along with any server headers. It also stops benchmark -timers.</p> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">This method is called automatically at the end of script execution, you won’t need to -call it manually unless you are aborting script execution using <tt class="docutils literal"><span class="pre">exit()</span></tt> or <tt class="docutils literal"><span class="pre">die()</span></tt> in your code.</p> -</div> -<p>Example:</p> -<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$response</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span><span class="s1">'status'</span> <span class="o">=></span> <span class="s1">'OK'</span><span class="p">);</span> - -<span class="nv">$this</span><span class="o">-></span><span class="na">output</span> - <span class="o">-></span><span class="na">set_status_header</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span> - <span class="o">-></span><span class="na">set_content_type</span><span class="p">(</span><span class="s1">'application/json'</span><span class="p">,</span> <span class="s1">'utf-8'</span><span class="p">)</span> - <span class="o">-></span><span class="na">set_output</span><span class="p">(</span><span class="nb">json_encode</span><span class="p">(</span><span class="nv">$response</span><span class="p">,</span> <span class="nx">JSON_PRETTY_PRINT</span> <span class="o">|</span> <span class="nx">JSON_UNESCAPED_UNICODE</span> <span class="o">|</span> <span class="nx">JSON_UNESCAPED_SLASHES</span><span class="p">))</span> - <span class="o">-></span><span class="na">_display</span><span class="p">();</span> -<span class="k">exit</span><span class="p">;</span> -</pre></div> -</div> -<div class="admonition note"> -<p class="first admonition-title">Note</p> -<p class="last">Calling this method manually without aborting script execution will result in duplicated output.</p> -</div> -</dd></dl> - -</dd></dl> - -</div> -</div> - - - </div> - <footer> - - <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> - - <a href="pagination.html" class="btn btn-neutral float-right" title="Pagination Class">Next <span class="fa fa-arrow-circle-right"></span></a> - - - <a href="migration.html" class="btn btn-neutral" title="Migrations Class"><span class="fa fa-arrow-circle-left"></span> Previous</a> - - </div> - - - <hr/> - - <div role="contentinfo"> - <p> - © Copyright 2014 - 2017, British Columbia Institute of Technology. - Last updated on Jun 19, 2017. - </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:'3.1.5', - 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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