3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string ='1953 BENTLEY R-TYPE'; echo preg_replace('BENTLEY', 'Bentley', string);
Output for 7.2.6 - 7.2.8
Warning: Use of undefined constant string - assumed 'string' (this will throw an Error in a future version of PHP) in /in/iNmdO on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/iNmdO on line 4
Output for 4.3.11 - 7.1.20
Notice: Use of undefined constant string - assumed 'string' in /in/iNmdO on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/iNmdO on line 4
Output for 4.3.0 - 4.3.10
Notice: Use of undefined constant string - assumed 'string' in /in/iNmdO on line 4 Warning: Delimiter must not be alphanumeric or backslash in /in/iNmdO on line 4