getid3_lib::intValueSupported( int $num ): bool

115	public static function intValueSupported($num) {116		// check if integers are 64-bit117		static $hasINT64 = null;118		if ($hasINT64 === null) { // 10x faster than is_null()119			/** @var int|float|object $bigInt */120			$bigInt = pow(2, 31);121			$hasINT64 = is_int($bigInt); // 32-bit int are limited to (2^31)-1122			if (!$hasINT64 && !defined('PHP_INT_MIN')) {123				define('PHP_INT_MIN', ~PHP_INT_MAX);124			}125		}126		// if integers are 64-bit - no other check required127		if ($hasINT64 || (($num <= PHP_INT_MAX) && ($num >= PHP_INT_MIN))) {128			return true;129		}130		return false;131	}