3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL & E_NOTICE); $b = null; var_dump($b['foo1']); $b = "string"; var_dump($b['foo2']); $b = 345678; var_dump($b['foo3']);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
NULL
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/Dr24i on line 4 NULL string(1) "s" Notice: Trying to access array offset on value of type int in /in/Dr24i on line 11 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
NULL string(1) "s" NULL
preferences:
386.58 ms | 405 KiB | 460 Q