Jetpack_User_Agent_Info::get_blackbeberry_OS_version()

Complexity

Conditions	19
Paths	14

Size

Total Lines

71

Duplication

Lines	3
Ratio	4.23 %

Importance

Changes

0

<?php
	static function get_blackbeberry_OS_version() {

		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
			return false;
		}

		if ( self::is_blackberry_10() ) {
			return 'blackberry-10';
		}

		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );

		$pos_blackberry = stripos( $agent, 'blackberry' );
		if ( false === $pos_blackberry ) {
			// not a blackberry device
			return false;
		}

		// blackberry devices OS 6.0 or higher
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9670; en) AppleWebKit/534.3+ (KHTML, like Gecko) Version/6.0.0.286 Mobile Safari/534.3+
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9800; en) AppleWebKit/534.1+ (KHTML, Like Gecko) Version/6.0.0.141 Mobile Safari/534.1+
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9900; en-US) AppleWebKit/534.11+ (KHTML, like Gecko) Version/7.0.0 Mobile Safari/534.11+
		$pos_webkit = stripos( $agent, 'webkit' );
		if ( false !== $pos_webkit ) {
			// detected blackberry webkit browser
			$pos_torch = stripos( $agent, 'BlackBerry 9800' );
			if ( false !== $pos_torch ) {
				return 'blackberry-torch'; // match the torch first edition. the 2nd edition should use the OS7 and doesn't need any special rule
			} else {
				// detecting the BB OS version for devices running OS 6.0 or higher
				if ( preg_match( '#Version\/([\d\.]+)#i', $agent, $matches ) ) {
					$version     = $matches[1];
					$version_num = explode( '.', $version );
					if ( false === is_array( $version_num ) || count( $version_num ) <= 1 ) {
						return 'blackberry-6'; // not a BB device that match our rule.
					} else {
						return 'blackberry-' . $version_num[0];
					}
				} else {
					// if doesn't match returns the minimun version with a webkit browser. we should never fall here.
					return 'blackberry-6'; // not a BB device that match our rule.
				}
			}
		}

		// blackberry devices <= 5.XX
		// BlackBerry9000/5.0.0.93 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/179
		if ( preg_match( '#BlackBerry\w+\/([\d\.]+)#i', $agent, $matches ) ) {
			$version = $matches[1];
		} else {
			return false; // not a BB device that match our rule.
		}

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

		if ( is_array( $version_num ) === false || count( $version_num ) <= 1 ) {
			return false;
		}
		if ( $version_num[0] == 5 ) {
			return 'blackberry-5';
		} elseif ( $version_num[0] == 4 && $version_num[1] == 7 ) {
			return 'blackberry-4.7';
		} elseif ( $version_num[0] == 4 && $version_num[1] == 6 ) {
			return 'blackberry-4.6';
		} elseif ( $version_num[0] == 4 && $version_num[1] == 5 ) {
			return 'blackberry-4.5';
		} else {
			return false;
		}

	}