Automattic / jetpack

		$version_num = explode( '.', $version );

		if ( is_array( $version_num ) === false || count( $version_num ) <= 1 ) {

			return false;

		}

		$version_num_major = (int) $version_num[0];

		$version_num_minor = (int) $version_num[1];

			$version_num = explode( '.', $matches[1] );

			if ( false === is_array( $version_num ) || count( $version_num ) <= 1 ) {

				return false;

			}

			$version_num_major = (int) $version_num[0];

			$version_num_minor = (int) $version_num[1];