3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface BarInterface { } interface FooInterface { public function getBar(): BarInterface; } class Foo implements FooInterface { public function getBar() { return null: } } $foo = new Foo(); $foo->getBar();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected ':', expecting ';' in /in/m01S9 on line 12
Process exited with code 255.

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