3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public static function factory() : object { return new static(); } } class Test2 extends Test { public static function factory() : static { return parent::factory(); } }
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.13
Parse error: syntax error, unexpected 'static' (T_STATIC) in /in/lp3AB on line 9
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/lp3AB on line 3
Process exited with code 255.
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