PHP debug_print_backtrace() Function

Complete PHP Error Reference

Definition and Usage

The debug_print_backtrace() function prints a backtrace.

This function displays data from the code that led up to the debug_print_backtrace() function.

Syntax

debug_print_backtrace()

Example

<?php
function one($str1, $str2)
 {
 two("Glenn", "Quagmire");
 }
function two($str1, $str2)
 {
 three("Cleveland", "Brown");
 }
function three($str1, $str2)
 {
 debug_print_backtrace();
 }

one("Peter", "Griffin");
?>

The output of the code above should be something like this:

#0 three(Cleveland, Brown) called at [C:\webfolder\test.php:8]
#1 two(Glenn, Quagmire) called at [C:\webfolder\test.php:4]
#2 one(Peter, Griffin) called at [C:\webfolder\test.php:15]

Complete PHP Error Reference

Get Your Diploma! W3Schools' Online Certification Program is the perfect solution for busy professionals who need to balance work, family, and career building. The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS. The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.

Jump to: Top of Page or HOME or Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

W3Schools was converted to XHTML in December 1999