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run code in 150+ php & hhvm versions
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<?php var_dump(is_a("kkk", "string"));
Output for 4.3.0 - 4.4.9, 5.3.0 - 7.1.0
bool(false)
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/jDkK6 on line 3 bool(false)