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PHP. Руководство по PHP. 2005

debug_backtrace

Пред.

След.

debug_backtrace

(PHP 4>= 4.3.0, PHP 5)debug_backtrace -- Generates a backtrace

Описание

array debug_backtrace (void)

debug_backtrace() generates a PHP backtrace.

Возвращаемые значения

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

Таблица 1. Possible returned elements from debug_backtrace()

NameTypeDescription
functionstring- The current function name. See also __FUNCTION__.
lineinteger- The current line number. See also __LINE__.
filestring- The current file name. See also __FILE__.
classstring- The current class name. See also __CLASS__
typestring- The current call type. If a method call, "->" is returned. If a static method call, "::" is returned. If a function call, nothing is returned.
argsarray- If inside a function, this lists the functions arguments. If inside an included file, this lists the included file name(s).

Примеры

Пример 1. debug_backtrace() example

<?php

// filename: a.php

function a_test($str)

{

echo "\nHi: $str";

var_dump(debug_backtrace());

}

a_test('friend');

?>

<?php

// filename: 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()
debug_print_backtrace()

Пред.

Начало

След.

Error Handling and Logging Functions

Уровень выше

debug_print_backtrace

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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