3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $bar = []; } $foo = new foo(); $foo->bar['baz'] = function() { echo 'hi!'; } $foo->bar['baz']();
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '$foo' (T_VARIABLE) in /in/0bPZn on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/0bPZn on line 5
Process exited with code 255.
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165.25 ms | 1399 KiB | 55 Q