1--TEST-- 2Bug #72710 (`mb_ereg` causes buffer overflow on regexp compile error) 3--EXTENSIONS-- 4mbstring 5--SKIPIF-- 6<?php 7if (!function_exists('mb_ereg')) die('skip mbregex support not available'); 8?> 9--FILE-- 10<?php 11mb_ereg('(?<0>a)', 'a'); 12?> 13--EXPECTF-- 14Warning: mb_ereg(): mbregex compile err: invalid group name <0> in %s on line %d 15