3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('a', 'b'); $b = (object)$a; var_dump($b->{0});
Output for 7.2.0
string(1) "a"
Output for 5.5.0 - 7.1.10
Notice: Undefined property: stdClass::$0 in /in/JvMLp on line 5 NULL
Output for 5.0.0 - 5.4.45
NULL
Output for 4.3.3 - 4.4.9
<br /> <b>Fatal error</b>: Property name must be a string in <b>/in/JvMLp</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.