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]