1--TEST--
2Test oniguruma stack limit
3--EXTENSIONS--
4mbstring
5iconv
6--SKIPIF--
7<?php
8if (!function_exists('mb_ereg_replace')) die('skip mb_ereg_replace not available');
9if (version_compare(MB_ONIGURUMA_VERSION, '6.9.3') < 0) {
10    die('skip requires Oniguruma 6.9.3');
11}
12?>
13--FILE--
14<?php
15function mb_trim_regex( $string, $chars = "", $chars_array = array() )
16{
17    for( $x=0; $x<iconv_strlen( $chars ); $x++ ) $chars_array[] = preg_quote( iconv_substr( $chars, $x, 1 ) );
18    $encoded_char_list = implode( "|", array_merge( array( "\s","\t","\n","\r", "\0", "\x0B" ), $chars_array ) );
19
20    $string = mb_ereg_replace( "^($encoded_char_list)*", "", $string );
21    $string = mb_ereg_replace( "($encoded_char_list)*$", "", $string );
22    return $string;
23}
24
25ini_set('mbstring.regex_stack_limit', 10000);
26var_dump(mb_trim_regex(str_repeat(' ', 10000)));
27
28echo 'OK';
29?>
30--EXPECTF--
31Warning: mb_ereg_replace(): mbregex search failure in php_mbereg_replace_exec(): match-stack limit over in %s on line %d
32string(0) ""
33OK
34