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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Predefined Classes</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="reserved.html">List of Reserved Words</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.constants.html">Predefined Constants</a></div> <div class="up"><a href="reserved.html">List of Reserved Words</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="reserved.classes" class="sect1"> <h2 class="title">Predefined Classes</h2> <p class="para"> This section lists standard predefined classes. Miscellaneous extensions define other classes which are described in their reference. </p> <div id="reserved.classes.standard" class="sect2"> <h3 class="title">Standard Defined Classes</h3> <p class="simpara"> These classes are defined in the standard set of functions included in the PHP build. </p> <dl> <dt> <span class="term"><b class="classname">Directory</b></span> <dd> <span class="simpara"> The class from which <a href="class.dir.html" class="link">dir</a> is instantiated. </span> </dd> </dt> <dt> <span class="term"><b class="classname">stdClass</b></span> <dd> <span class="simpara"> </span> </dd> </dt> <dt> <span class="term"><b class="classname">__PHP_Incomplete_Class</b></span> <dd> <span class="simpara"> </span> </dd> </dt> </dl> </div> <div id="reserved.classes.php5" class="sect2"> <h3 class="title">Predefined classes as of PHP 5</h3> <p class="simpara"> These additional predefined classes were introduced in PHP 5.0.0 </p> <dl> <dt> <span class="term"><a href="class.exception.html" class="classname">exception</a></span> <dd> <span class="simpara"> </span> </dd> </dt> <dt> <span class="term"><b class="classname">php_user_filter</b></span> <dd> <span class="simpara"> </span> </dd> </dt> </dl> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="reserved.html">List of Reserved Words</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.constants.html">Predefined Constants</a></div> <div class="up"><a href="reserved.html">List of Reserved Words</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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