Online PHP editor | refs for cRnnW

<?php $gmp = gmp_init('42'); var_dump($gmp); var_dump($gmp instanceof Stringable); var_dump(in_array('__toString', array_column((new ReflectionObject($gmp))->getMethods(), 'name'), true)); echo "\n"; var_dump((string)$gmp); var_dump(''.$gmp); (function (string $x) { var_dump($x); })($gmp); echo "\n"; var_dump((int)$gmp); var_dump(+$gmp); (function (int $x) { var_dump($x); })($gmp);