3v4l.org

run code in 300+ PHP versions simultaneously
<?php // on a besoin de recuperer ce qu'il y a entre () par exemple : dskjdslkjds (13254) preg_match_all('/\(([\d]+)\)/','dsdsq',$matches); var_dump($matches); preg_match_all('/\(([\d]+)\)/','',$matches); var_dump($matches); preg_match_all('/\(([\d]+)\)/',NULL,$matches); var_dump($matches);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> array(0) { } [1]=> array(0) { } } array(2) { [0]=> array(0) { } [1]=> array(0) { } } Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/kpsRL on line 9 array(2) { [0]=> array(0) { } [1]=> array(0) { } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(2) { [0]=> array(0) { } [1]=> array(0) { } } array(2) { [0]=> array(0) { } [1]=> array(0) { } } array(2) { [0]=> array(0) { } [1]=> array(0) { } }

preferences:
205.05 ms | 405 KiB | 310 Q