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run code in 200+ php & hhvm versions
Bugs & Features
<?php class A {} class B extends A {} var_dump(is_a('A','B'));
Output for 4.3.0 - 4.4.9, 5.3.0 - 7.2.0
bool(false)
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/ZkWe6 on line 5 bool(false)