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<?php error_reporting(E_STRICT); var_dump(is_callable('gibts nicht')); var_dump(is_callable(array())); var_dump(is_callable(array('foo', 'bar', 42)));
Output for 5.0.0 - 7.1.0
bool(false) bool(false) bool(false)
Output for 4.3.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/WOnUt on line 2 bool(false) bool(false) bool(false)