3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface aa { public function __construct(); public function aa($a,$b); } class a implements aa { public function __construct(); public function aa($a,$b) { } }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Fatal error: Non-abstract method a::__construct() must contain body in /in/rQvog on line 11
Process exited with code 255.

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182.66 ms | 1395 KiB | 62 Q