PHP Function debug_backtrace()

Syntax

array debug_backtrace ( void );

Definition and Usage

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

Name	Type	Description
function	string	The current function name.
line	integer	The current line number.
file	string	The current file name.
class	string	The current class name.
object	string	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.
arg	array	If inside a function, this lists the functions arguments. If inside an included file, this lists the included file name(s).

Paramters

Parameter	Description
void	NA.

Return Value

Returns an associative array as described in the description.

Example

Following is the usage of this function:

<?php function printStr($str) { echo "Hi: $str"; var_dump(debug_backtrace()); } printStr('friend'); ?>

This will produce following result:

Hi: friendarray(1) { [0]=> array(4) { ["file"]=> string(36) "/var/www/tutorialspoint/php/test.php" ["line"]=> int(8) ["function"]=> string(8) "printStr" ["args"]=> array(1) { [0]=> &string(6) "friend" } } }