debug_backtrace
error_get_last
Error Handling and Logging Functions
PHP Manual

# debug_print_backtrace

(PHP 5)

debug_print_backtrace — Prints a backtrace

### Description

void debug_print_backtrace ( void )

debug_print_backtrace() prints a PHP backtrace. It prints the function calls, included/required files and eval()ed stuff.

### Parameters

This function has no parameters.

### Return Values

No value is returned.

### Examples

Example#1 debug_print_backtrace() example

`<?php
// include.php file
function a() {
b();
}
function b() {
c();
}
function c(){
debug_print_backtrace();
}
a();
?>`
`<?php
// test.php file
// this is the file you should run
include 'include.php';
?>`

The above example will output something similar to:

    #0  eval() called at [/tmp/include.php:5]
    #1  a() called at [/tmp/include.php:17]
    #2  include(/tmp/include.php) called at [/tmp/test.php:3]

    #0  c() called at [/tmp/include.php:10]
    #1  b() called at [/tmp/include.php:6]
    #2  a() called at [/tmp/include.php:17]
    #3  include(/tmp/include.php) called at [/tmp/test.php:3]

### See Also

- debug_backtrace()

debug_backtrace
error_get_last
Error Handling and Logging Functions
PHP Manual