PHP debug_backtrace() 函数

定义和用法

debug_backtrace() 函数生成 backtrace。

该函数显示由 debug_backtrace() 函数代码生成的数据。

返回一个关联数组。下面是可能返回的元素：

语法

debug_backtrace()

实例

<?php
function one($str1, $str2)
  {
  two("Glenn", "Quagmire");
  }
function two($str1, $str2)
  {
  three("Cleveland", "Brown");
  }
function three($str1, $str2)
  {
  print_r(debug_backtrace());
  }
one("Peter", "Griffin");
?>

上面代码的输出如下所示：

Array
(
[0] => Array
  (
  [file] => C:webfoldertest.php
  [line] => 7
  [function] => three
  [args] => Array
    (
    [0] => Cleveland
    [1] => Brown
    )
  )
[1] => Array
  (
  [file] => C:webfoldertest.php
  [line] => 3
  [function] => two
  [args] => Array
    (
    [0] => Glenn
    [1] => Quagmire
    )
  )
[2] => Array
  (
  [file] => C:webfoldertest.php
  [line] => 14
  [function] => one
  [args] => Array
    (
    [0] => Peter
    [1] => Griffin
    )
  )
)

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