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run code in 300+ PHP versions simultaneously
<?php interface AInterface { public function makeHappy($arg); } interface BInterface { public function makeHappy($arg, $arg2); } interface CInterface extends AInterface, BInterface { }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of AInterface::makeHappy($arg) must be compatible with BInterface::makeHappy($arg, $arg2) in /in/UMFqm on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of AInterface::makeHappy($arg) should be compatible with BInterface::makeHappy($arg, $arg2) in /in/UMFqm on line 4
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of AInterface::makeHappy($arg) must be compatible with BInterface::makeHappy($arg, $arg2) in /in/UMFqm on line 11
Process exited with code 255.
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Declaration of AInterface::makeHappy() must be compatible with BInterface::makeHappy($arg, $arg2) in /in/UMFqm on line 11
Process exited with code 255.

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