3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Foo { public function doIt(); } class ConcreteFoo extends Foo { public function doIt() {} } $foo - new Foo;
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.30, 5.6.7 - 5.6.14
Fatal error: Non-abstract method Foo::doIt() must contain body in /in/QDZCQ on line 5
Process exited with code 255.
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182.14 ms | 1395 KiB | 59 Q