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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A {} class B implements A {} class C extends B {} class D extends B implements A {} $bRef = new \ReflectionClass('B'); $cRef = new \ReflectionClass('C'); $dRef = new \ReflectionClass('D'); echo 'B implements A: '.$bRef->implementsInterface('A') ? 'yes' : 'no'; echo 'C implements A: '.$cRef->implementsInterface('A') ? 'yes' : 'no'; echo 'D implements A: '.$dRef->implementsInterface('A') ? 'yes' : 'no'; echo 'B subclass of A: '.$bRef->isSubclassOf('A') ? 'yes' : 'no'; echo 'C subclass of A: '.$cRef->isSubclassOf('A') ? 'yes' : 'no'; echo 'D subclass of A: '.$dRef->isSubclassOf('A') ? 'yes' : 'no';
Output for 5.3.0 - 7.1.0
yesyesyesyesyesyes
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/GK0dO on line 9 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/GK0dO on line 10 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/GK0dO on line 11 yesyesyesyesyesyes
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/GK0dO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/GK0dO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/GK0dO on line 3
Process exited with code 255.