PHP debug_print_backtrace() 函数
PHP Error 和 Logging 函数
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, $str2)
{
debug_print_backtrace();
}
one("Peter", "Griffin");
?>
function one($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:\yige.org\test.php:8]
#1 two(Glenn, Quagmire) called at [C:\yige.org\test.php:4]
#2 one(Peter, Griffin) called at [C:\yige.org\test.php:15]
#1 two(Glenn, Quagmire) called at [C:\yige.org\test.php:4]
#2 one(Peter, Griffin) called at [C:\yige.org\test.php:15]
PHP Error 和 Logging 函数