3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=('a'=>1); $b=('b'=>2); var_dump($a+$b);
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/XAqkC on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/XAqkC on line 2
Process exited with code 255.