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<?php $fnc_array = get_defined_functions(); $fnc_array = $fnc_array['internal']; //foreach ($fnc_array as $fnc_name) { $ref_func = new ReflectionFunction('call_user_func'); foreach($ref_func->getParameters() as $parm) { var_dump($parm::isCallable()); if($parm->isCallable()) { echo "$fnc_name (" . $ref_func->getNumberOfParameters() .")\n"; break; } } //} //
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Non-static method ReflectionParameter::isCallable() cannot be called statically in /in/br5qJ:9 Stack trace: #0 {main} thrown in /in/br5qJ on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Non-static method ReflectionParameter::isCallable() cannot be called statically in /in/br5qJ on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method ReflectionParameter::isCallable() in /in/br5qJ on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/br5qJ on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/br5qJ on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/br5qJ on line 9
Process exited with code 255.

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