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run code in 300+ PHP versions simultaneously
<?php class A { const TEST = false; public function test() { var_dump($this, static::TEST, self::TEST); } } class B extends A { const TEST = true; public function test() { A::test(); parent::test(); } } $b = new B; $b->test();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.1 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(B)#1 (0) { } bool(true) bool(false) object(B)#1 (0) { } bool(true) bool(false)
Output for 7.0.0
object(B)#1 (0) { } bool(false) bool(false) object(B)#1 (0) { } bool(true) bool(false)
preferences:
211.87 ms | 401 KiB | 285 Q