function.get-resource-type.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 98 行
HTML
98 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns the resource type</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.get-defined-vars.html">get_defined_vars</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gettype.html">gettype</a></div> <div class="up"><a href="ref.var.html">Variable handling Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.get-resource-type" class="refentry"> <div class="refnamediv"> <h1 class="refname">get_resource_type</h1> <p class="verinfo">(PHP 4 >= 4.0.2, PHP 5)</p><p class="refpurpose"><span class="refname">get_resource_type</span> — <span class="dc-title"> Returns the resource type </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>get_resource_type</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$handle</tt></span> )</div> <p class="para rdfs-comment"> This function gets the type of the given resource. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">handle</tt></i></span> <dd> <p class="para"> The evaluated resource handle. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> If the given <i><tt class="parameter">handle</tt></i> is a resource, this function will return a string representing its type. If the type is not identified by this function, the return value will be the string <i>Unknown</i>. </p> <p class="para"> This function will return <b><tt>FALSE</tt></b> and generate an error if <i><tt class="parameter">handle</tt></i> is not a <a href="language.types.resource.html" class="type resource">resource</a>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>get_resource_type()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// prints: mysql link<br /></span><span style="color: #0000BB">$c </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_connect</span><span style="color: #007700">();<br />echo </span><span style="color: #0000BB">get_resource_type</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// prints: file<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"foo"</span><span style="color: #007700">, </span><span style="color: #DD0000">"w"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">get_resource_type</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// prints: domxml document<br /></span><span style="color: #0000BB">$doc </span><span style="color: #007700">= </span><span style="color: #0000BB">new_xmldoc</span><span style="color: #007700">(</span><span style="color: #DD0000">"1.0"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">get_resource_type</span><span style="color: #007700">(</span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">doc</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.get-defined-vars.html">get_defined_vars</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gettype.html">gettype</a></div> <div class="up"><a href="ref.var.html">Variable handling Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?