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run code in 300+ PHP versions simultaneously
<?php class A { public function foo($str) { $this->foobar($str); } private function foobar(string $str) { print "A"; if ($str !== "A") { $this->foobar("A"); // does never call B::foobar, as foobar is private } } } class B extends A { public function foobar(string $str) { print "B"; parent::foo("B"); } } (new A)->foo("A"); print PHP_EOL . "---" . PHP_EOL; (new B)->foo("B");
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
A --- AA
Output for 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to A::foobar() must be an instance of string, string given, called in /in/KrOtJ on line 5 and defined in /in/KrOtJ on line 8
Process exited with code 255.
preferences:
77.66 ms | 407 KiB | 5 Q