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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Bar {} class Foo extends Bar {} $foo = new Foo(); var_dump(is_sublcass_of($foo, 'Bar'));
Output for 7.0.0 - 7.3.0rc3
Fatal error: Uncaught Error: Call to undefined function is_sublcass_of() in /in/Wvi6g:9 Stack trace: #0 {main} thrown in /in/Wvi6g on line 9
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Call to undefined function is_sublcass_of() in /in/Wvi6g:9 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: Call to undefined function is_sublcass_of() in /in/Wvi6g on line 9
Process exited with code 255.