3v4l.org

run code in 300+ PHP versions simultaneously
<?php function w($var) { return $var; } $derp = function() { var_dump('this is dumb'); }; var_dump((string) w(new ReflectionFunction($derp)));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.16 - 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
string(63) "Closure [ <user> function {closure} ] { @@ /in/QA9K5 7 - 9 } "
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33
string(82) "Closure [ <user, prototype Closure> function {closure} ] { @@ /in/QA9K5 7 - 9 } "
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 in /in/QA9K5 on line 7
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 in /in/QA9K5 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QA9K5 on line 7
Process exited with code 255.

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