PHP debug_print_backtrace() 函数

定义和用法

debug_print_backtrace() 函数打印 backtrace。

该函数显示由 debug_print_backtrace() 函数代码生成的数据。

语法

debug_print_backtrace()

实例

<?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");  
?>

上面代码的输出如下所示：

#0 three(Cleveland, Brown) called at [C:webfoldertest.php:8]  
#1 two(Glenn, Quagmire) called at [C:webfoldertest.php:4]  
#2 one(Peter, Griffin) called at [C:webfoldertest.php:15]