3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $function = new ReflectionFunction(function( array &$a0 = null ){}); $parameters = $function->getParameters(); var_dump(strval($function));
based on aXBX7
Output for 7.0.0 - 7.1.0
string(166) "Closure [ <user, prototype Closure> function {closure} ] { @@ /in/0jeYu 3 - 5 - Parameters [1] { Parameter #0 [ <optional> array or NULL &$a0 = NULL ] } } "
Output for 5.3.0 - 5.6.28
string(147) "Closure [ <user> function {closure} ] { @@ /in/0jeYu 3 - 5 - Parameters [1] { Parameter #0 [ <optional> array or NULL &$a0 = NULL ] } } "
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/0jeYu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/0jeYu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0jeYu on line 3
Process exited with code 255.