PHP return语句另类用法不止是在函数中
PHP return语句另类用法不止是在函数中
分享下PHP return语句的另一个作用,在bbPress的代码中看到的一个奇葩使用方法。
一直以为,return只能出现在函数中,直到看了bbPress的代码:
require_once('./bb-load.php');
bb_repermalink(); // The magic happens here.
if ( $self ) {
if ( strpos($self, '.php') !== false ) {
require($self);
} else {
require( BB_PATH . 'profile-base.php' );
} // www.jb51.net
return;
}
难道 return 还能出现在函数之外?这在C语言是无法想象的。
查了一下 PHP 手册:如果在一个函数中调用 return 语句,将立即结束此函数的执行并将它的参数作为函数的值返回。如果在全局范围中调用,则当前脚本文件中止运行。

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