3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a, $b) = NULL; var_dump($a, $b); list($c, $d) = array(); var_dump($c, $d); list($e, $f) = array('a'); var_dump($e, $f);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
NULL NULL Warning: Undefined array key 0 in /in/fF4Nc on line 6 Warning: Undefined array key 1 in /in/fF4Nc on line 6 NULL NULL Warning: Undefined array key 1 in /in/fF4Nc on line 10 string(1) "a" NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
NULL NULL Notice: Undefined offset: 0 in /in/fF4Nc on line 6 Notice: Undefined offset: 1 in /in/fF4Nc on line 6 NULL NULL Notice: Undefined offset: 1 in /in/fF4Nc on line 10 string(1) "a" NULL
Output for 7.3.32 - 7.3.33
NULL NULL NULL NULL string(1) "a" NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
NULL NULL Notice: Undefined offset: 1 in /in/fF4Nc on line 6 Notice: Undefined offset: 0 in /in/fF4Nc on line 6 NULL NULL Notice: Undefined offset: 1 in /in/fF4Nc on line 10 string(1) "a" NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.2, 5.2.2 - 5.2.17
NULL NULL Notice: Undefined offset: 1 in /in/fF4Nc on line 6 Notice: Undefined offset: 0 in /in/fF4Nc on line 6 NULL NULL Notice: Undefined offset: 1 in /in/fF4Nc on line 10 string(1) "a" NULL
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1
Fatal error: Invalid opcode 98/1/1. in /in/fF4Nc on line 2
Process exited with code 255.
preferences:
271.88 ms | 402 KiB | 365 Q