PHP中魔术变量__METHOD__与__FUNCTION__的区别_PHP
本文实例讲述了PHP中魔术变量__METHOD__与__FUNCTION__的区别,分享给大家供大家参考。具体分析如下:
__METHOD__类的方法名(PHP 5.0.0 新加)。返回该方法被定义时的名字(区分大小写)。
__FUNCTION__函数名称(PHP 4.3.0 新加)。自 PHP 5 起本常量返回该函数被定义时的名字(区分大小写)。在 PHP 4 中该值总是小写字母的。
文档解释都是说返回函数(方法)的名字。区别在于:
__FUNCTION__只是返回方法的名字;
__METHOD__返回类的名字和方法的名字。
<?php class Test{ public function doit(){ echo __FUNCTION__; } public function doitAgain(){ echo __METHOD__; } } $obj = new Test(); $obj->doit(); echo '<br>'; $obj->doitAgain(); ?>
输出结果为:
doit Test::doitAgain
希望本文所述对大家的PHP程序设计有所帮助。

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