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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $b = null; var_dump($b['foo1']); $b = "5"; var_dump($b['foo2']); $b = 345678; var_dump($b['foo3']);
based on BHOi0
Output for 5.4.0 - 7.1.0
NULL Warning: Illegal string offset 'foo2' in /in/fBbCA on line 7 string(1) "5" NULL
Output for 4.3.0 - 5.3.29
NULL string(1) "5" NULL