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run code in 300+ PHP versions simultaneously
<?php class A { public function foo() { echo __FUNCTION__; } } class B extends A { public function getClosure() { return function() { parent::foo(); }; } } class C { public function __construct(B $b) { $b->getClosure()(); } } new C(new B);
Output for 7.1.0 - 7.1.22, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
foo
Output for 5.6.38
Parse error: syntax error, unexpected '(' in /in/P1MRc on line 19
Process exited with code 255.
preferences:
130.79 ms | 406 KiB | 5 Q