1--TEST-- 2Bug #70345 (Multiple vulnerabilities related to PCRE functions) 3--FILE-- 4<?php 5$regex = '/(?=xyz\K)/'; 6$subject = "aaaaxyzaaaa"; 7 8$v = preg_split($regex, $subject); 9print_r($v); 10 11$regex = '/(a(?=xyz\K))/'; 12$subject = "aaaaxyzaaaa"; 13preg_match($regex, $subject, $matches); 14 15var_dump($matches); 16--EXPECTF-- 17Array 18( 19 [0] => aaaaxyzaaaa 20) 21 22Warning: preg_match(): Get subpatterns list failed in %s on line %d 23array(0) { 24} 25