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run code in 300+ PHP versions simultaneously
<?php class A{ const TYPE = 'A'; public function getType(){ return self::TYPE; } } class B extends A{ const TYPE = 'B'; } print_r((new B)->getType());
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
A

preferences:
77.85 ms | 407 KiB | 5 Q