php 한글 메뉴얼 도움말 검색 사이트 Prints a backtrace [function.debug-print-backtrace]

설명

void debug_print_backtrace ([ int $options = 0 [, int $limit = 0 ]] )

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

인수

options

As of 5.3.6, this parameter is a bitmask for the following options:

**debug_print_backtrace()** options
DEBUG_BACKTRACE_IGNORE_ARGS	Whether or not to omit the "args" index, and thus all the function/method arguments, to save memory.

limit

As of 5.4.0, this parameter can be used to limit the number of stack frames printed. By default (limit=0) it prints all stack frames.

반환값

값을 반환하지 않습니다.

변경점

버전	설명
5.4.0	Added the optional parameter `limit`.
5.3.6	Added the optional parameter `options`.

예제

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';
?>

위 예제의 출력 예시:

#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]

참고

debug_backtrace() - Generates a backtrace