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32 lines
1.8 KiB
HTML
32 lines
1.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>检测变量是否为资源类型</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.is-resource" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">is_resource</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">is_resource</span> — <span class="dc-title">
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检测变量是否为资源类型
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</span></p>
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</div>
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<div class="refsect1 unknown-unknown-unknown-unknown-unknown-unknown-seealsu" id="refsect1-function.is-resource-unknown-unknown-unknown-unknown-unknown-unknown-seealsu">
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<h3 class="title">描述</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>is_resource</strong></span>
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( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$var</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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如果给出的参数 <code class="parameter">var</code> 是 <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> 类型，<span class="function"><strong>is_resource()</strong></span>
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返回 <strong><code>TRUE</code></strong>，否则返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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查看 <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> 类型文档获取更多的信息。
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</p>
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</div>
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</div></div></div></body></html> |