Handling scalar PHP type hinting

header.php

/**
 * @link http://php.net/manual/en/language.oop5.typehinting.php#111411
 */
function optimized_strpos ($ErrLevel, $ErrMessage) {
	if ($ErrLevel == E_RECOVERABLE_ERROR)
		return strpos($ErrMessage, 'must be an instance of string, string')
			|| strpos($ErrMessage, 'must be an instance of integer, integer')
			|| strpos($ErrMessage, 'must be an instance of float, double')
			|| strpos($ErrMessage, 'must be an instance of boolean, boolean')
			|| strpos($ErrMessage, 'must be an instance of resource, resource');
}

set_error_handler('optimized_strpos');

function test (string $name) {
    echo $name;
}

test('Hello!'); // Hello!
test(1); // Error