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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A {} class B extends A {} $a = new A(); $b = new B(); var_dump(is_a($a, 'A')); var_dump(is_a($b, 'A'));
Output for 4.3.0 - 4.4.9, 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) bool(true)
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/5qV6s on line 8 bool(true) Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/5qV6s on line 9 bool(true)