debug_backtrace

Syntax

array debug_backtrace ( void )

Popis

Príkaz jazyka PHP
generates a PHP backtrace

Návratové hodnoty

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

Name	Type	Description
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).

ChangeLog (záznam změn)

Verze	Popis
5.1.1	Added the current object as a possible return element.

Príklad

<?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"
}
}
*/
?>

Pozri aj

trigger_error, debug_print_backtrace