3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('/(\w+) (\w+)/', 'rodrigo capile', $m); var_dump($m); echo preg_match('/(\w+) (\w+)/', 'rodrigo capile rodrigo capile rodrigo capile', $m); var_dump($m); echo preg_match_all('/(\w+) (\w+)/', 'rodrigo capile rodrigo capile rodrigo capile', $m); var_dump($m); echo preg_match('/(\w+) (\w+)/', 'rodrigo capile rodrigo capile rodrigo capile', &$m); var_dump($m);
Output for 5.4.0 - 5.4.39
Fatal error: Call-time pass-by-reference has been removed in /in/IaqMX on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated in /in/IaqMX on line 12 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 3array(3) { [0]=> array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(14) "rodrigo capile" [2]=> string(14) "rodrigo capile" } [1]=> array(3) { [0]=> string(7) "rodrigo" [1]=> string(7) "rodrigo" [2]=> string(7) "rodrigo" } [2]=> array(3) { [0]=> string(6) "capile" [1]=> string(6) "capile" [2]=> string(6) "capile" } } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" }
Output for 5.2.7 - 5.2.17
Warning: Call-time pass-by-reference has been deprecated in /in/IaqMX on line 12 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 3array(3) { [0]=> array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(14) "rodrigo capile" [2]=> string(14) "rodrigo capile" } [1]=> array(3) { [0]=> string(7) "rodrigo" [1]=> string(7) "rodrigo" [2]=> string(7) "rodrigo" } [2]=> array(3) { [0]=> string(6) "capile" [1]=> string(6) "capile" [2]=> string(6) "capile" } } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" }
Output for 5.2.5 - 5.2.6
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of preg_match(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file in /in/IaqMX on line 12 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 3array(3) { [0]=> array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(14) "rodrigo capile" [2]=> string(14) "rodrigo capile" } [1]=> array(3) { [0]=> string(7) "rodrigo" [1]=> string(7) "rodrigo" [2]=> string(7) "rodrigo" } [2]=> array(3) { [0]=> string(6) "capile" [1]=> string(6) "capile" [2]=> string(6) "capile" } } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" }
Output for 5.2.1 - 5.2.4
Warning: Call-time pass-by-reference has been deprecated; If you would like to pass it by reference, modify the declaration of preg_match(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. in /in/IaqMX on line 12 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 3array(3) { [0]=> array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(14) "rodrigo capile" [2]=> string(14) "rodrigo capile" } [1]=> array(3) { [0]=> string(7) "rodrigo" [1]=> string(7) "rodrigo" [2]=> string(7) "rodrigo" } [2]=> array(3) { [0]=> string(6) "capile" [1]=> string(6) "capile" [2]=> string(6) "capile" } } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" }
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
Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of preg_match(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /in/IaqMX on line 12 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" } 3array(3) { [0]=> array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(14) "rodrigo capile" [2]=> string(14) "rodrigo capile" } [1]=> array(3) { [0]=> string(7) "rodrigo" [1]=> string(7) "rodrigo" [2]=> string(7) "rodrigo" } [2]=> array(3) { [0]=> string(6) "capile" [1]=> string(6) "capile" [2]=> string(6) "capile" } } 1array(3) { [0]=> string(14) "rodrigo capile" [1]=> string(7) "rodrigo" [2]=> string(6) "capile" }

preferences:
231.21 ms | 1398 KiB | 129 Q