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run code in 300+ PHP versions simultaneously
<?php $function = new ReflectionFunction(function (&$a) {}); echo $function . "\n"; foreach ($function->getParameters() as $parameter) { echo $parameter . "\n"; }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Closure [ <user> function {closure} ] { @@ /in/KBoee 3 - 3 - Parameters [1] { Parameter #0 [ <required> &$a ] } } Parameter #0 [ <required> &$a ]
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Closure [ <user, prototype Closure> function {closure} ] { @@ /in/KBoee 3 - 3 - Parameters [1] { Parameter #0 [ <required> &$a ] } } Parameter #0 [ <required> &$a ]
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_FUNCTION, expecting ')' in /in/KBoee on line 3
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_FUNCTION, expecting ')' in /in/KBoee on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/KBoee on line 3
Process exited with code 255.

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