PHP debug_backtrace () function

Definition and usage

The PHP debug_backtrace () function generates a backtrace.

This function returns an associated array. The following elements may be returned:

Name	Type	Description
Function	String	The current function name.
Line	Integer	The current row number.
File	String	The current file name.
Class	String	Current Class Name
Object	Object	Current object.
Type	String	The current call type. Possible calls: Return Value: "->"-method call Return Value: ":"-static method call Return nothing-function call
ARGs	Array	If function parameters are listed. If the referenced file lists the referenced file names.

Syntax

debug_backtrace()

Example

<?phpfunction one($str1, $str2) { two("Glenn", "Quagmire"); }function two($str1, $str2) { three("Cleveland", "Brown"); }function three($str1, $str2) { print_r(debug_backtrace()); }one("Peter", "Griffin");?>

Output:

Array([0] => Array  (  => C:/webfolder/test.php [line] => 7 [function] => three [args] => Array  (  [0] => Cleveland  [1] => Brown   )  )[1] => Array (  => C:/webfolder/test.php [line] => 3 [function] => two [args] => Array  (  [0] => Glenn  [1] => Quagmire  ) ) [2] => Array (  => C:/webfolder/test.php [line] => 14 [function] => one [args] => Array  (  [0] => Peter  [1] => Griffin  ) ))