php判断对象是派生自哪个类的方法,php判断对象派生
本文实例讲述了php判断对象是派生自哪个类的方法。分享给大家供大家参考。具体实现方法如下:
<?php
$th = new Thread; //创建新对象
if ($th instanceof Thread) //如果对象$th是Thread类型的,则输出Yes
echo "Yes";
else
echo "No";
?>
希望本文所述对大家的php程序设计有所帮助。
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