1--TEST-- 2Bug #26927 (preg_quote() does not escape \0) 3--FILE-- 4<?php 5 $str = "a\000b"; 6 $str_quoted = preg_quote($str); 7 var_dump(preg_match("!{$str_quoted}!", $str), $str_quoted); 8?> 9--EXPECT-- 10int(1) 11string(6) "a\000b" 12