📄 function.http-support.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Check built-in HTTP support</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.http-match-request-header.html">http_match_request_header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.http-negotiate-charset.html">http_negotiate_charset</a></div> <div class="up"><a href="ref.http.html">HTTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.http-support" class="refentry"> <div class="refnamediv">  <h1 class="refname">http_support</h1>  <p class="verinfo">(PECL pecl_http:0.15.0-1.5.5)</p><p class="refpurpose"><span class="refname">http_support</span> &mdash; <span class="dc-title">Check built-in HTTP support</span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">int</span> <span class="methodname"><b><b>http_support</b></b></span>    ([ <span class="methodparam"><span class="type">int</span> <tt class="parameter">$feature = 0</tt></span>  ] )</div>  <p class="para rdfs-comment">   Check for features that require external libraries.  </p>  <p class="para">   See the <a href="http.constants.html#http.constants.support" class="link">feature support constants table</a>   for possible values for the <i><tt class="parameter">feature</tt></i> argument.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">feature</tt></i></span>     <dd>      <p class="para">       feature to probe for      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Returns <a href="language.types.integer.html" class="type integer">integer</a>, whether requested feature is supported,   or a bitmask with all supported features if <i><tt class="parameter">feature</tt></i> was omitted.  </p> </div>   <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 A <b>http_support()</b> example</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">if&nbsp;(!</span><span style="color: #0000BB">http_support</span><span style="color: #007700">(</span><span style="color: #0000BB">HTTP_SUPPORT_REQUESTS</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;die(</span><span style="color: #DD0000">"Need&nbsp;HTTP&nbsp;request&nbsp;support!\n"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>   </div>  </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.http-match-request-header.html">http_match_request_header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.http-negotiate-charset.html">http_negotiate_charset</a></div> <div class="up"><a href="ref.http.html">HTTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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