Online PHP editor | refs for clKBH

<?php $functions = [ 'array_diff', 'array_diff_uassoc', 'array_diff_ukey', 'array_intersect_uassoc', 'array_intersect_ukey', 'array_udiff', 'array_udiff_assoc', 'array_udiff_uassoc', 'array_uintersect', 'array_uintersect_assoc', 'array_uintersect_uassoc', ]; foreach ($functions as $func) { $reflFunc = new ReflectionFunction($func); $nbParams = $reflFunc->getNumberOfParameters(); $nbRequiredParams = $reflFunc->getNumberOfRequiredParameters(); printf("$func ($nbParams params, $nbRequiredParams required) %s VARIADIC", $reflFunc->isVariadic() ? "IS" : "IS NOT"); foreach ($reflFunc->getParameters() as $i => $param) { if ($param->isVariadic()) { printf(" - PARAM #%d%s IS VARIADIC", $i + 1, $param->isOptional() ? " (Opt.)" : ""); } } echo PHP_EOL; }