3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = NULL; $bar = $foo[2]; $baz = array(); $buz = $baz[2]; var_dump($bar); var_dump($buz);
Output for 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Warning: Trying to access array offset on null in /in/19FTX on line 4 Warning: Undefined array key 2 in /in/19FTX on line 6 NULL NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
Warning: Trying to access array offset on value of type null in /in/19FTX on line 4 Warning: Undefined array key 2 in /in/19FTX on line 6 NULL NULL
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/19FTX on line 4 Notice: Undefined offset: 2 in /in/19FTX on line 6 NULL NULL
Output for 7.3.32 - 7.3.33
NULL NULL
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31
Notice: Undefined offset: 2 in /in/19FTX on line 6 NULL NULL
preferences:
77.95 ms | 412 KiB | 5 Q