Online PHP editor | refs for T9iRf

<?php function d(): double {} function f(): float {} function i(): int {} function ie(): integer {} function r(): real {} function bn(): boolean {} foreach (['d', 'f'] as $name) { $ref = new ReflectionFunction($name); var_dump([$name, $ref->getReturnType()->getName(), $ref->getReturnType()->isBuiltin()]); }