3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $b = null; var_dump($b['foo1']); $b = "5"; var_dump("5".['foo2']); $b = 345678; var_dump($b['foo3']);
based on e5pss
Output for 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/i6bpL on line 7 NULL string(6) "5Array" NULL
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
NULL Notice: Array to string conversion in /in/i6bpL on line 7 string(6) "5Array" NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/i6bpL on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/i6bpL on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/i6bpL on line 7
Process exited with code 255.