转:http://www.w3school.com.cn/php/func_error_debug_print_backtrace.asp
定义和用法debug_print_backtrace() 函数输出 backtrace。
语法
debug_print_backtrace()例子
<?php
function one($str1, $str2) {
two("Glenn", "Quagmire");
}
function two($str1, $str2) {
three("Cleveland", "Brown");
}
function three($str1, $str2) {
debug_print_backtrace();
}
one("Peter", "Griffin");?>
输出:
#0 three(Cleveland, Brown) called at [C:\webfolder\test.php:8]
#1 two(Glenn, Quagmire) called at [C:\webfolder\test.php:4]
#2 one(Peter, Griffin) called at [C:\webfolder\test.php:15]
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