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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>Get the default properties of the class</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-class-methods.html">get_class_methods</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.get-class.html">get_class</a></div> <div class="up"><a href="ref.classobj.html">Classes/Object Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.get-class-vars" class="refentry"> <div class="refnamediv"> <h1 class="refname">get_class_vars</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">get_class_vars</span> — <span class="dc-title">Get the default properties of the class</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>get_class_vars</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$class_name</tt></span> )</div> <p class="para rdfs-comment"> Get the default properties of the given class. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">class_name</tt></i></span> <dd> <p class="para"> The class name </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an associative array of default public properties of the class. The resulting array elements are in the form of <i>varname => value</i>. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">Prior to 4.2.0</td> <td colspan="1" rowspan="1" align="left"> Uninitialized class variables will not be reported by <b>get_class_vars()</b> </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>get_class_vars()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">myclass </span><span style="color: #007700">{<br /><br /> var </span><span style="color: #0000BB">$var1</span><span style="color: #007700">; </span><span style="color: #FF8000">// this has no default value...<br /> </span><span style="color: #007700">var </span><span style="color: #0000BB">$var2 </span><span style="color: #007700">= </span><span style="color: #DD0000">"xyz"</span><span style="color: #007700">;<br /> var </span><span style="color: #0000BB">$var3 </span><span style="color: #007700">= </span><span style="color: #0000BB">100</span><span style="color: #007700">;<br /> private </span><span style="color: #0000BB">$var4</span><span style="color: #007700">; </span><span style="color: #FF8000">// PHP 5<br /><br /> // constructor<br /> </span><span style="color: #007700">function </span><span style="color: #0000BB">myclass</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">// change some properties<br /> </span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">var1 </span><span style="color: #007700">= </span><span style="color: #DD0000">"foo"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">var2 </span><span style="color: #007700">= </span><span style="color: #DD0000">"bar"</span><span style="color: #007700">;<br /> return </span><span style="color: #0000BB">true</span><span style="color: #007700">;<br /> }<br /><br />}<br /><br /></span><span style="color: #0000BB">$my_class </span><span style="color: #007700">= new </span><span style="color: #0000BB">myclass</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$class_vars </span><span style="color: #007700">= </span><span style="color: #0000BB">get_class_vars</span><span style="color: #007700">(</span><span style="color: #0000BB">get_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$my_class</span><span style="color: #007700">));<br /><br />foreach (</span><span style="color: #0000BB">$class_vars </span><span style="color: #007700">as </span><span style="color: #0000BB">$name </span><span style="color: #007700">=> </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"$name : $value\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>// Before PHP 4.2.0var2 : xyzvar3 : 100// As of PHP 4.2.0var1 :var2 : xyzvar3 : 100</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.get-class-methods.html" class="function" rel="rdfs-seeAlso">get_class_methods()</a></li> <li class="member"><a href="function.get-object-vars.html" class="function" rel="rdfs-seeAlso">get_object_vars()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.get-class-methods.html">get_class_methods</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.get-class.html">get_class</a></div> <div class="up"><a href="ref.classobj.html">Classes/Object Functions</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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