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