3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $refFunc = new ReflectionFunction('array_map'); foreach( $refFunc->getParameters() as $param ){ print $param; } ?>
Output for 5.6.0 - 7.1.7
Parameter #0 [ <required> $callback ]Parameter #1 [ <required> ...$arrays ]
Output for 5.2.11 - 5.5.38
Parameter #0 [ <required> $callback ]Parameter #1 [ <required> $arg ]Parameter #2 [ <optional> $... ]
Output for 5.2.0 - 5.2.10
Parameter #0 [ <required> $callback ]Parameter #1 [ <required> $arg1 ]Parameter #2 [ <required> $arg2 ]Parameter #3 [ <optional> $... ]
Output for 5.0.0 - 5.1.6
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/X57R0 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/X57R0 on line 2