<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Retrieve the default stream context</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.stream-context-create.html">stream_context_create</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.stream-context-get-options.html">stream_context_get_options</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-get-default" class="refentry"> <div class="refnamediv"> <h1 class="refname">stream_context_get_default</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">stream_context_get_default</span> — <span class="dc-title">Retrieve the default stream context</span></p> </div> <div class="refsect1 description" id="refsect1-function.stream-context-get-default-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><strong>stream_context_get_default</strong></span> ([ <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span> ] )</div> <p class="simpara"> Returns the default stream context which is used whenever file operations ( <span class="function"><a href="function.fopen.html" class="function">fopen()</a></span>, <span class="function"><a href="function.file-get-contents.html" class="function">file_get_contents()</a></span>, etc...) are called without a context parameter. Options for the default context can optionally be specified with this function using the same syntax as <span class="function"><a href="function.stream-context-create.html" class="function">stream_context_create()</a></span>. </p> </div> <div class="refsect1 parameters" id="refsect1-function.stream-context-get-default-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">options</code></em></span> <dd> <span class="simpara"> <em><code class="parameter">options</code></em> must be an associative array of associative arrays in the format <em>$arr['wrapper']['option'] = $value</em>. </span> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> As of PHP 5.3.0, the <span class="function"><a href="function.stream-context-set-default.html" class="function">stream_context_set_default()</a></span> function can be used to set the default context. </p> </p></blockquote> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.stream-context-get-default-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> A stream context <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>. </p> </div> <div class="refsect1 examples" id="refsect1-function.stream-context-get-default-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="stream-context-get-default.example.basic"> <p><strong>Example #1 Using <span class="function"><strong>stream_context_get_default()</strong></span></strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$default_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"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'proxy'</span><span style="color: #007700">=></span><span style="color: #DD0000">"tcp://10.54.1.39:8000"<br /> </span><span style="color: #007700">)<br />);<br /><br /><br /></span><span style="color: #0000BB">$alternate_opts </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'http'</span><span style="color: #007700">=>array(<br /> </span><span style="color: #DD0000">'method'</span><span style="color: #007700">=></span><span style="color: #DD0000">"POST"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'header'</span><span style="color: #007700">=></span><span style="color: #DD0000">"Content-type: application/x-www-form-urlencoded\r\n" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"Content-length: " </span><span style="color: #007700">. </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #DD0000">"baz=bomb"</span><span style="color: #007700">),<br /> </span><span style="color: #DD0000">'content'</span><span style="color: #007700">=></span><span style="color: #DD0000">"baz=bomb"<br /> </span><span style="color: #007700">)<br />);<br /><br /></span><span style="color: #0000BB">$default </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_get_default</span><span style="color: #007700">(</span><span style="color: #0000BB">$default_opts</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$alternate </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_create</span><span style="color: #007700">(</span><span style="color: #0000BB">$alternate_opts</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Sends a regular GET request to proxy server at 10.54.1.39<br /> * For www.example.com using context options specified in $default_opts<br /> */<br /></span><span style="color: #0000BB">readfile</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Sends a POST request directly to www.example.com<br /> * Using context options specified in $alternate_opts<br /> */<br /></span><span style="color: #0000BB">readfile</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">, </span><span style="color: #0000BB">$alternate</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.stream-context-get-default-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.stream-context-create.html" class="function" rel="rdfs-seeAlso">stream_context_create()</a> - Creates a stream context</span></li> <li class="member">Listing of supported wrappers with context options (<a href="wrappers.html" class="xref">Supported Protocols and Wrappers</a>).</li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.stream-context-create.html">stream_context_create</a></div> <div class="next" style="text-align: right; float: right;"><a 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