3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = "this is a test (asdfasdfasdf)"; $asdf = preg_replace("\s*\(.*\)\s*$", "", $test); var_dump($test);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: preg_replace(): Delimiter must not be alphanumeric, backslash, or NUL in /in/lARHp on line 5 string(29) "this is a test (asdfasdfasdf)"
Output for 7.1.25 - 7.1.31, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/lARHp on line 5 string(29) "this is a test (asdfasdfasdf)"
preferences:
126.81 ms | 403 KiB | 173 Q