3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[new stdClass] => 3; var_dump($a);
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/KeJGS on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/KeJGS on line 2
Process exited with code 255.
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180.51 ms | 1395 KiB | 56 Q