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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface Common { function createCommon(); } interface Specific1 extends Common { function createSpecific1(); } interface Specific2 extends Common { function createSpecific2(); } class A implements Specific1, Common { public function createCommon() { } public function createSpecific1() { } } print_r(class_implements(new A()));
based on FTJWD
Output for 7.0.0 - 7.2.6
Fatal error: Class A cannot implement previously implemented interface Common in /in/gkji8 on line 7
Process exited with code 255.
Output for 5.5.0 - 5.6.28
Fatal error: Class A cannot implement previously implemented interface Common in /in/gkji8 on line 8
Process exited with code 255.