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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface I { public function example($a, $b, $c); } class A implements I { public function example($a, $b = null, $c = null): int { } } class B extends A { public function example($a, $b, $c = null): string { } } ?>
Output for 7.2.0 - 7.2.6
Fatal error: Declaration of B::example($a, $b, $c = NULL): string must be compatible with A::example($a, $b = NULL, $c = NULL): int in /in/gl1Gt on line 9
Process exited with code 255.
Output for hhvm-3.15.4, 7.0.0 - 7.1.20
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/gl1Gt on line 7
Process exited with code 255.