Online PHP editor | refs for PQsrh

<?php function test(callable $fn){ $reflection = new ReflectionFunction($fn); $args = count($reflection->getParameters()); $curried = function(...$currArgs) use($args, $fn){ if(count($currArgs) == $args){ return $fn(...$currArgs); }else{ return function(...$currArgs2) use($args, $fn, $currArgs){ return $curried(array_merge($currArgs, $currArgs2)); }; } }; return $curried; } $c = test(fn($x, $y, $z) => $x + $y + $z); echo $c(10)(20,30);