如果我们想知道某个方法被谁调用了? debug_print_backtrace可以解决
debug_print_backtrace() 可以打印出一个页面的调用过程 , 从哪儿来到哪儿去一目了然.
不过这是一个PHP5的专有函数,好在pear中已经有了实现, http://pear.php.net/package/PHP_Compat
测试代码
[U]复制代码[/U] 代码如下:
";debug_print_backtrace();
}
}
class b {
function say($msg) {
$a = new a();
$a->say($msg);
}
}
class c {
function __construct($msg) {
$b = new b();
$b->say($msg);
}
}
$c = new c("test");
输出结果
[U]复制代码[/U] 代码如下:
msg:test
#0 a->say(test) called at [/var/www/test/test0723.php:12]
#1 b->say(test) called at [/var/www/test/test0723.php:19]
#2 c->__construct(test) called at [/var/www/test/test0723.php:23]