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Описание

array debug_backtrace ([ bool $provide_object= true ] )

debug_backtrace() generates a PHP backtrace.

Список параметров

provide_object: Whether or not to populate the "object" index. Defaults to TRUE.

Возвращаемые значения

Returns an associative array. The possible returned elements are as follows:

Possible returned elements from **debug_backtrace()**
Имя	Type	Описание
function	string	The current function name. See also __FUNCTION__.
line	integer	The current line number. See also __LINE__.
file	string	The current file name. See also __FILE__.
class	string	The current class name. See also __CLASS__
object	object	The current object.
type	string	The current call type. If a method call, "->" is returned. If a static method call, "::" is returned. If a function call, nothing is returned.
args	array	If inside a function, this lists the functions arguments. If inside an included file, this lists the included file name(s).

Список изменений

Версия	Описание
5.2.5	Added the optional parameter `provide_object` .
5.1.1	Added the current object as a possible return element.

Примеры

Пример #1 debug_backtrace() example


<?php
// filename: /tmp/a.php

function a_test($str)
{
    echo "\nHi: $str";
    var_dump(debug_backtrace());
}

a_test('friend');
?>

<?php
// filename: /tmp/b.php
include_once '/tmp/a.php';
?>

Results similar to the following when executing /tmp/b.php:

Hi: friend
array(2) {
[0]=>
array(4) {
    ["file"] => string(10) "/tmp/a.php"
    ["line"] => int(10)
    ["function"] => string(6) "a_test"
    ["args"]=>
    array(1) {
      [0] => &string(6) "friend"
    }
}
[1]=>
array(4) {
    ["file"] => string(10) "/tmp/b.php"
    ["line"] => int(2)
    ["args"] =>
    array(1) {
      [0] => string(10) "/tmp/a.php"
    }
    ["function"] => string(12) "include_once"
  }
}

Смотрите также

trigger_error() - Generates a user-level error/warning/notice message
debug_print_backtrace() - Prints a backtrace