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run code in 150+ php & hhvm versions
Bugs & Features
<?php ReflectionFunction::export('is_a');
Output for 5.4.0 - 7.1.0
Function [ <internal:Core> function is_a ] { - Parameters [3] { Parameter #0 [ <required> $object ] Parameter #1 [ <required> $class_name ] Parameter #2 [ <optional> $allow_string ] } }
Output for 5.3.0 - 5.3.29
Function [ <internal:Core> function is_a ] { - Parameters [2] { Parameter #0 [ <required> $object ] Parameter #1 [ <required> $class_name ] } }
Output for 5.2.2 - 5.2.17
Function [ <internal> function is_a ] { }
Output for 5.0.0 - 5.2.1
Function [ <internal> public function is_a ] { }
Output for 4.3.2 - 4.4.9
Fatal error: Undefined class name 'reflectionfunction' in /in/0V6PF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Undefined class name 'reflectionfunction' in /in/0V6PF on line 3