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run code in 200+ php & hhvm versions
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<?php class test{}; $test = new test(); is_a($test,'test');
Output for 4.3.0 - 4.4.9, 5.3.0 - 7.2.0
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/gUD52 on line 4