📄 function.stream-context-create.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>Create a streams context</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.stream-bucket-prepend.html">stream_bucket_prepend</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.stream-context-get-default.html">stream_context_get_default</a></div> <div class="up"><a href="ref.stream.html">Stream Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.stream-context-create" class="refentry"> <div class="refnamediv"> <h1 class="refname">stream_context_create</h1> <p class="verinfo">(PHP 4 >= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">stream_context_create</span> — <span class="dc-title">Create a streams context</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>stream_context_create</b></b></span> ([ <span class="methodparam"><span class="type">array</span> <tt class="parameter">$options</tt></span> [, <span class="methodparam"><span class="type">array</span> <tt class="parameter">$params</tt></span> ]] )</div> <p class="para rdfs-comment"> Creates and returns a stream context with any options supplied in <i><tt class="parameter">options</tt></i> preset. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">options</tt></i></span> <dd> <p class="para"> Must be an associative array of associative arrays in the format <i>$arr['wrapper']['option'] = $value</i>. </p> <p class="para"> Default to an empty array. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">params</tt></i></span> <dd> <p class="para"> Must be an associative array in the format <i>$arr['parameter'] = $value</i>. Refer to <a href="function.stream-context-set-params.html" class="function">stream_context_set_params()</a> for a listing of standard stream parameters. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> A stream context <a href="language.types.resource.html" class="type resource">resource</a>. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">5.3.0</td> <td colspan="1" rowspan="1" align="left"> Added the optional <i><tt class="parameter">params</tt></i> argument. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 Using <b>stream_context_create()</b></b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$opts </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'http'</span><span style="color: #007700">=>array(<br /> </span><span style="color: #DD0000">'method'</span><span style="color: #007700">=></span><span style="color: #DD0000">"GET"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'header'</span><span style="color: #007700">=></span><span style="color: #DD0000">"Accept-language: en\r\n" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"Cookie: foo=bar\r\n"<br /> </span><span style="color: #007700">)<br />);<br /><br /></span><span style="color: #0000BB">$context </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_create</span><span style="color: #007700">(</span><span style="color: #0000BB">$opts</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Sends an http request to www.example.com<br /> with additional headers shown above */<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">, </span><span style="color: #0000BB">$context</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fpassthru</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <ul class="simplelist"> <li class="member"><a href="function.stream-context-set-option.html" class="function" rel="rdfs-seeAlso">stream_context_set_option()</a></li> <li class="member">Listing of supported wrappers (<a href="wrappers.html" class="xref">List of Supported Protocols/Wrappers</a>)</li> <li class="member">Context options (<a href="context.html" class="xref">Context options and parameters</a>)</li> </ul> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.stream-bucket-prepend.html">stream_bucket_prepend</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.stream-context-get-default.html">stream_context_get_default</a></div> <div class="up"><a href="ref.stream.html">Stream Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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