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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface HumanInterface { } class Human implements HumanInterface { } class Dog { } echo is_a('Dog', 'HumanInteface');
Output for 5.3.0 - 7.1.0
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/TIQG5 on line 14
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/TIQG5 on line 2
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/TIQG5 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TIQG5 on line 2
Process exited with code 255.