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<title>Set the default stream context</title>
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<h1 class="refname">stream_context_set_default</h1>
<p class="verinfo">(PHP 5 >= 5.3.0)</p><p class="refpurpose"><span class="refname">stream_context_set_default</span> — <span class="dc-title">Set the default stream context</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.stream-context-set-default-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>stream_context_set_default</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
)</div>
<p class="simpara">
Set the default stream context which will be used whenever file operations
( <span class="function"><a href="function.fopen.html" class="function">fopen()</a></span>, <span class="function"><a href="function.file-get-contents.html" class="function">file_get_contents()</a></span>, etc...)
are called without a context parameter. Uses the same syntax as
<span class="function"><a href="function.stream-context-create.html" class="function">stream_context_create()</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.stream-context-set-default-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">options</code></em></span>
<dd>
<p class="para">
The options to set for the default context.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
<em><code class="parameter">options</code></em> must be an associative
array of associative arrays in the format
<em>$arr['wrapper']['option'] = $value</em>.
</p>
</p></blockquote>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.stream-context-set-default-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the default stream context.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.stream-context-set-default-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="stream-context-set-default.example.basic">
<p><strong>Example #1 <span class="function"><strong>stream_context_set_default()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$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 /></span><span style="color: #0000BB">$default </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_set_default</span><span style="color: #007700">(</span><span style="color: #0000BB">$default_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 /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.stream-context-set-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"> <span class="function"><a href="function.stream-context-get-default.html" class="function" rel="rdfs-seeAlso">stream_context_get_default()</a> - Retrieve the default 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>
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