diff options
| author | Andrey Andreev <narf@devilix.net> | 2018-06-12 15:45:46 +0200 |
|---|---|---|
| committer | Andrey Andreev <narf@devilix.net> | 2018-06-12 15:45:46 +0200 |
| commit | 30e2eafa86c4c7b6b39cea3e7089a90df9f603fb (patch) | |
| tree | 391bc1e62d8d0ad045e18a6da72e3e2a59e91503 /user_guide/libraries/user_agent.html | |
| parent | a9da3dd2f16a8f97d7bc4ff5572b28e4bb84c813 (diff) | |
[ci skip] 3.1.9 release
Diffstat (limited to 'user_guide/libraries/user_agent.html')
| -rw-r--r-- | user_guide/libraries/user_agent.html | 931 |
1 files changed, 931 insertions, 0 deletions
diff --git a/user_guide/libraries/user_agent.html b/user_guide/libraries/user_agent.html new file mode 100644 index 000000000..0e605814b --- /dev/null +++ b/user_guide/libraries/user_agent.html @@ -0,0 +1,931 @@ + + +<!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>User Agent Class — CodeIgniter 3.1.9 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" href="../search.html"/> + <link rel="top" title="CodeIgniter 3.1.9 documentation" href="../index.html"/> + <link rel="up" title="Libraries" href="index.html"/> + <link rel="next" title="XML-RPC and XML-RPC Server Classes" href="xmlrpc.html"/> + <link rel="prev" title="URI Class" href="uri.html"/> + + + <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script> + +</head> + +<body class="wy-body-for-nav" role="document"> + + <div id="nav"> + <div id="nav_inner"> + + + + <div id="pulldown-menu" class="ciNav"> + <ul> +<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a></li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li> +<li class="toctree-l2"><a class="reference 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href="../documentation/index.html">Writing CodeIgniter Documentation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li> +<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li> +<li class="toctree-l2"><a 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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 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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 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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>User Agent 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="user-agent-class"> +<h1>User Agent Class<a class="headerlink" href="#user-agent-class" title="Permalink to this headline">¶</a></h1> +<p>The User Agent Class provides functions that help identify information +about the browser, mobile device, or robot visiting your site. In +addition you can get referrer information as well as language and +supported character-set information.</p> +<div class="contents local topic" id="contents"> +<ul class="simple"> +<li><a class="reference internal" href="#using-the-user-agent-class" id="id1">Using the User Agent Class</a><ul> +<li><a class="reference internal" href="#initializing-the-class" id="id2">Initializing the Class</a></li> +<li><a class="reference internal" href="#user-agent-definitions" id="id3">User Agent Definitions</a></li> +<li><a class="reference internal" href="#example" id="id4">Example</a></li> +</ul> +</li> +<li><a class="reference internal" href="#class-reference" id="id5">Class Reference</a></li> +</ul> +</div> +<div class="custom-index container"></div><div class="section" id="using-the-user-agent-class"> +<h2><a class="toc-backref" href="#id1">Using the User Agent Class</a><a class="headerlink" href="#using-the-user-agent-class" title="Permalink to this headline">¶</a></h2> +<div class="section" id="initializing-the-class"> +<h3><a class="toc-backref" href="#id2">Initializing the Class</a><a class="headerlink" href="#initializing-the-class" title="Permalink to this headline">¶</a></h3> +<p>Like most other classes in CodeIgniter, the User Agent class is +initialized in your controller using the $this->load->library function:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'user_agent'</span><span class="p">);</span> +</pre></div> +</div> +<p>Once loaded, the object will be available using: <code class="docutils literal"><span class="pre">$this->agent</span></code></p> +</div> +<div class="section" id="user-agent-definitions"> +<h3><a class="toc-backref" href="#id3">User Agent Definitions</a><a class="headerlink" href="#user-agent-definitions" title="Permalink to this headline">¶</a></h3> +<p>The user agent name definitions are located in a config file located at: +application/config/user_agents.php. You may add items to the various +user agent arrays if needed.</p> +</div> +<div class="section" id="example"> +<h3><a class="toc-backref" href="#id4">Example</a><a class="headerlink" href="#example" title="Permalink to this headline">¶</a></h3> +<p>When the User Agent class is initialized it will attempt to determine +whether the user agent browsing your site is a web browser, a mobile +device, or a robot. It will also gather the platform information if it +is available.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'user_agent'</span><span class="p">);</span> + +<span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_browser</span><span class="p">())</span> +<span class="p">{</span> + <span class="nv">$agent</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">browser</span><span class="p">()</span><span class="o">.</span><span class="s1">' '</span><span class="o">.</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">version</span><span class="p">();</span> +<span class="p">}</span> +<span class="k">elseif</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_robot</span><span class="p">())</span> +<span class="p">{</span> + <span class="nv">$agent</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">robot</span><span class="p">();</span> +<span class="p">}</span> +<span class="k">elseif</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_mobile</span><span class="p">())</span> +<span class="p">{</span> + <span class="nv">$agent</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">mobile</span><span class="p">();</span> +<span class="p">}</span> +<span class="k">else</span> +<span class="p">{</span> + <span class="nv">$agent</span> <span class="o">=</span> <span class="s1">'Unidentified User Agent'</span><span class="p">;</span> +<span class="p">}</span> + +<span class="k">echo</span> <span class="nv">$agent</span><span class="p">;</span> + +<span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">platform</span><span class="p">();</span> <span class="c1">// Platform info (Windows, Linux, Mac, etc.)</span> +</pre></div> +</div> +</div> +</div> +<div class="section" id="class-reference"> +<h2><a class="toc-backref" href="#id5">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2> +<dl class="class"> +<dt id="CI_User_agent"> +<em class="property">class </em><code class="descname">CI_User_agent</code><a class="headerlink" href="#CI_User_agent" title="Permalink to this definition">¶</a></dt> +<dd><dl class="method"> +<dt id="CI_User_agent::is_browser"> +<code class="descname">is_browser</code><span class="sig-paren">(</span><span class="optional">[</span><em>$key = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::is_browser" 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>$key</strong> (<em>string</em>) – Optional browser name</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the user agent is a (specified) browser, FALSE if not</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<p>Returns TRUE/FALSE (boolean) if the user agent is a known web browser.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_browser</span><span class="p">(</span><span class="s1">'Safari'</span><span class="p">))</span> +<span class="p">{</span> + <span class="k">echo</span> <span class="s1">'You are using Safari.'</span><span class="p">;</span> +<span class="p">}</span> +<span class="k">elseif</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_browser</span><span class="p">())</span> +<span class="p">{</span> + <span class="k">echo</span> <span class="s1">'You are using a browser.'</span><span class="p">;</span> +<span class="p">}</span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">The string “Safari” in this example is an array key in the list of browser definitions. +You can find this list in <strong>application/config/user_agents.php</strong> if you want to add new +browsers or change the stings.</p> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::is_mobile"> +<code class="descname">is_mobile</code><span class="sig-paren">(</span><span class="optional">[</span><em>$key = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::is_mobile" 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>$key</strong> (<em>string</em>) – Optional mobile device name</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the user agent is a (specified) mobile device, FALSE if not</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<p>Returns TRUE/FALSE (boolean) if the user agent is a known mobile device.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_mobile</span><span class="p">(</span><span class="s1">'iphone'</span><span class="p">))</span> +<span class="p">{</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'iphone/home'</span><span class="p">);</span> +<span class="p">}</span> +<span class="k">elseif</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_mobile</span><span class="p">())</span> +<span class="p">{</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'mobile/home'</span><span class="p">);</span> +<span class="p">}</span> +<span class="k">else</span> +<span class="p">{</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'web/home'</span><span class="p">);</span> +<span class="p">}</span> +</pre></div> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::is_robot"> +<code class="descname">is_robot</code><span class="sig-paren">(</span><span class="optional">[</span><em>$key = NULL</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::is_robot" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$key</strong> (<em>string</em>) – Optional robot name</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the user agent is a (specified) robot, FALSE if not</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<p>Returns TRUE/FALSE (boolean) if the user agent is a known robot.</p> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">The user agent library only contains the most common robot definitions. It is not a complete list of bots. +There are hundreds of them so searching for each one would not be very efficient. If you find that some bots +that commonly visit your site are missing from the list you can add them to your +<strong>application/config/user_agents.php</strong> file.</p> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::is_referral"> +<code class="descname">is_referral</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::is_referral" 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">TRUE if the user agent is a referral, FALSE if not</td> +</tr> +<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td> +</tr> +</tbody> +</table> +<p>Returns TRUE/FALSE (boolean) if the user agent was referred from another site.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::browser"> +<code class="descname">browser</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::browser" 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">Detected browser or an empty 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 a string containing the name of the web browser viewing your site.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::version"> +<code class="descname">version</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::version" 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">Detected browser version or an empty 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 a string containing the version number of the web browser viewing your site.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::mobile"> +<code class="descname">mobile</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::mobile" 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">Detected mobile device brand or an empty 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 a string containing the name of the mobile device viewing your site.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::robot"> +<code class="descname">robot</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::robot" 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">Detected robot name or an empty 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 a string containing the name of the robot viewing your site.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::platform"> +<code class="descname">platform</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::platform" 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">Detected operating system or an empty 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 a string containing the platform viewing your site (Linux, Windows, OS X, etc.).</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::referrer"> +<code class="descname">referrer</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::referrer" 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">Detected referrer or an empty 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>The referrer, if the user agent was referred from another site. Typically you’ll test for this as follows:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">is_referral</span><span class="p">())</span> +<span class="p">{</span> + <span class="k">echo</span> <span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">referrer</span><span class="p">();</span> +<span class="p">}</span> +</pre></div> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::agent_string"> +<code class="descname">agent_string</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::agent_string" 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">Full user agent string or an empty 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 a string containing the full user agent string. Typically it will be something like this:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">Mozilla</span><span class="o">/</span><span class="mf">5.0</span> <span class="p">(</span><span class="nx">Macintosh</span><span class="p">;</span> <span class="nx">U</span><span class="p">;</span> <span class="nx">Intel</span> <span class="nx">Mac</span> <span class="nx">OS</span> <span class="nx">X</span><span class="p">;</span> <span class="nx">en</span><span class="o">-</span><span class="nx">US</span><span class="p">;</span> <span class="nx">rv</span><span class="o">:</span><span class="mf">1.8</span><span class="o">.</span><span class="mf">0.4</span><span class="p">)</span> <span class="nx">Gecko</span><span class="o">/</span><span class="mi">20060613</span> <span class="nx">Camino</span><span class="o">/</span><span class="mf">1.0</span><span class="o">.</span><span class="mi">2</span> +</pre></div> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::accept_lang"> +<code class="descname">accept_lang</code><span class="sig-paren">(</span><span class="optional">[</span><em>$lang = 'en'</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::accept_lang" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$lang</strong> (<em>string</em>) – Language key</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if provided language is accepted, FALSE if not</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you determine if the user agent accepts a particular language. Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">accept_lang</span><span class="p">(</span><span class="s1">'en'</span><span class="p">))</span> +<span class="p">{</span> + <span class="k">echo</span> <span class="s1">'You accept English!'</span><span class="p">;</span> +<span class="p">}</span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">This method is not typically very reliable since some browsers do not provide language info, +and even among those that do, it is not always accurate.</p> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::languages"> +<code class="descname">languages</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::languages" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">An array list of accepted languages</td> +</tr> +<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td> +</tr> +</tbody> +</table> +<p>Returns an array of languages supported by the user agent.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::accept_charset"> +<code class="descname">accept_charset</code><span class="sig-paren">(</span><span class="optional">[</span><em>$charset = 'utf-8'</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::accept_charset" 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>$charset</strong> (<em>string</em>) – Character set</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the character set is accepted, FALSE if not</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p> +</td> +</tr> +</tbody> +</table> +<p>Lets you determine if the user agent accepts a particular character set. Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-></span><span class="na">agent</span><span class="o">-></span><span class="na">accept_charset</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">))</span> +<span class="p">{</span> + <span class="k">echo</span> <span class="s1">'You browser supports UTF-8!'</span><span class="p">;</span> +<span class="p">}</span> +</pre></div> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">This method is not typically very reliable since some browsers do not provide character-set info, +and even among those that do, it is not always accurate.</p> +</div> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::charsets"> +<code class="descname">charsets</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::charsets" 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">An array list of accepted character sets</td> +</tr> +<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td> +</tr> +</tbody> +</table> +<p>Returns an array of character sets accepted by the user agent.</p> +</dd></dl> + +<dl class="method"> +<dt id="CI_User_agent::parse"> +<code class="descname">parse</code><span class="sig-paren">(</span><em>$string</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_User_agent::parse" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$string</strong> (<em>string</em>) – A custom user-agent string</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p> +</td> +</tr> +</tbody> +</table> +<p>Parses a custom user-agent string, different from the one reported by the current visitor.</p> +</dd></dl> + +</dd></dl> + +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="xmlrpc.html" class="btn btn-neutral float-right" title="XML-RPC and XML-RPC Server Classes">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="uri.html" class="btn btn-neutral" title="URI Class"><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 Jun 12, 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:'3.1.9', + 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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