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run code in 300+ PHP versions simultaneously
<?php interface RegularInterface {} interface BetterInterface extends RegularInterface {} class Thing implements BetterInterface { } class RegularClass { public static function doSomething(RegularInterface $thing) { echo 'hello'; } } class BetterClass extends RegularClass { public static function doSomething(BetterInterface $thing) { echo 'hello'; } } $thing = new Thing(); BetterClass::doSomething($thing);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of BetterClass::doSomething(BetterInterface $thing) must be compatible with RegularClass::doSomething(RegularInterface $thing) in /in/b79hn on line 16
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of BetterClass::doSomething(BetterInterface $thing) should be compatible with RegularClass::doSomething(RegularInterface $thing) in /in/b79hn on line 16 hello
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33
Warning: Declaration of BetterClass::doSomething(BetterInterface $thing) should be compatible with RegularClass::doSomething(RegularInterface $thing) in /in/b79hn on line 19 hello
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Strict Standards: Declaration of BetterClass::doSomething() should be compatible with RegularClass::doSomething(RegularInterface $thing) in /in/b79hn on line 19 hello
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Declaration of BetterClass::doSomething() should be compatible with that of RegularClass::doSomething() in /in/b79hn on line 19 hello
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/b79hn on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/b79hn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/b79hn on line 3
Process exited with code 255.
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