3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); abstract class A { public function __construct(array $a, array $cv); } class B extends A { public function __construct(stdClass $b) {} } new B(new stdClass);
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0
Fatal error: Non-abstract method A::__construct() must contain body in /in/Xd4v7 on line 7
Process exited with code 255.
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162.59 ms | 1395 KiB | 24 Q