<!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>Returns active resources</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.get-required-files.html">get_required_files</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.getenv.html">getenv</a></div> <div class="up"><a href="ref.info.html">PHP Options/Info Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.get-resources" class="refentry"> <div class="refnamediv"> <h1 class="refname">get_resources</h1> <p class="verinfo">(PHP 7)</p><p class="refpurpose"><span class="refname">get_resources</span> — <span class="dc-title">Returns active resources</span></p> </div> <div class="refsect1 description" id="refsect1-function.get-resources-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><strong>get_resources</strong></span> ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$type</code></span> ] )</div> <p class="para rdfs-comment"> Returns an array of all currently active <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>s, optionally filtered by resource type. </p> </div> <div class="refsect1 parameters" id="refsect1-function.get-resources-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <code class="parameter">type</code></dt> <dd> <p class="para"> If defined, this will cause <span class="function"><strong>get_resources()</strong></span> to only return resources of the given type. <a href="resource.html" class="link">A list of resource types is available.</a> </p> <p class="para"> If the <span class="type"><a href="language.types.string.html" class="type string">string</a></span> <em>Unknown</em> is provided as the type, then only resources that are of an unknown type will be returned. </p> <p class="para"> If omitted, all resources will be returned. </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.get-resources-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an <span class="type"><a href="language.types.array.html" class="type array">array</a></span> of currently active resources, indexed by resource number. </p> </div> <div class="refsect1 examples" id="refsect1-function.get-resources-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-537"> <p><strong>Example #1 Unfiltered <span class="function"><strong>get_resources()</strong></span></strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">tmpfile</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">get_resources</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> array(1) { [1]=> resource(1) of type (stream) } </pre></div> </div> </div> <div class="example" id="example-538"> <p><strong>Example #2 Filtered <span class="function"><strong>get_resources()</strong></span></strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">tmpfile</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">get_resources</span><span style="color: #007700">(</span><span style="color: #DD0000">'stream'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">get_resources</span><span style="color: #007700">(</span><span style="color: #DD0000">'curl'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> array(1) { [1]=> resource(1) of type (stream) } array(0) { } </pre></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.get-resources-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><span class="function"><a href="function.get-loaded-extensions.html" class="function" rel="rdfs-seeAlso">get_loaded_extensions()</a> - Returns an array with the names of all modules compiled and loaded</span></li> <li class="member"><span class="function"><a href="function.get-defined-constants.html" class="function" rel="rdfs-seeAlso">get_defined_constants()</a> - Returns an associative array with the names of all the constants and their values</span></li> <li class="member"><span class="function"><a href="function.get-defined-functions.html" class="function" rel="rdfs-seeAlso">get_defined_functions()</a> - Returns an array of all defined functions</span></li> <li class="member"><span class="function"><a href="function.get-defined-vars.html" class="function" rel="rdfs-seeAlso">get_defined_vars()</a> - Returns an array of all defined variables</span></li> </ul> </p> </div> </div><hr /><div 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