Online PHP editor | refs for rLI2W

<?php $hugeArrayOfStuffThatIsParsedLater = []; function functionThatReturnsStringOrEmptyString(string $query): string { return determineIfThisExists($query) ?? ''; } function determineIfThisExists(string $string): ?string { return mt_rand(1, 2) === 1 ? $string : ''; } $hugeArrayOfStuffThatIsParsedLater['anIndex'] = 'Music'; if (functionThatReturnsStringOrEmptyString('rocks') !== '') $hugeArrayOfStuffThatIsParsedLater['anIndex'] .= ' ' . functionThatReturnsStringOrEmptyString('rocks'); var_dump($hugeArrayOfStuffThatIsParsedLater['anIndex']);