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<?php |
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/** |
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* User Agent Generator |
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* @version 1.0 |
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* @link https://github.com/Dreyer/random-uagent |
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* @author Dreyer |
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*/ |
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class UAgent |
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{ |
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// General token that says the browser is Mozilla compatible, |
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// and is common to almost every browser today. |
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const MOZILLA = 'Mozilla/5.0 '; |
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/** |
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* Processors by Arch. |
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*/ |
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public static $processors = array( |
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'lin' => array( 'i686', 'x86_64' ), |
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'mac' => array( 'Intel', 'PPC', 'U; Intel', 'U; PPC' ), |
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'win' => array( 'foo' ) |
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); |
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/** |
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* Browsers |
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* |
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* Weighting is based on market share to determine frequency. |
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*/ |
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public static $browsers = array( |
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34 => array( |
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89 => array( 'chrome', 'win' ), |
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9 => array( 'chrome', 'mac' ), |
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2 => array( 'chrome', 'lin' ) |
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), |
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32 => array( |
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100 => array( 'iexplorer', 'win' ) |
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), |
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25 => array( |
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83 => array( 'firefox', 'win' ), |
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16 => array( 'firefox', 'mac' ), |
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1 => array( 'firefox', 'lin' ) |
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), |
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7 => array( |
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95 => array( 'safari', 'mac' ), |
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4 => array( 'safari', 'win' ), |
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1 => array( 'safari', 'lin' ) |
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), |
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2 => array( |
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91 => array( 'opera', 'win' ), |
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6 => array( 'opera', 'lin' ), |
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3 => array( 'opera', 'mac' ) |
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) |
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); |
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/** |
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* List of Lanuge Culture Codes (ISO 639-1) |
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* |
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* @see: http://msdn.microsoft.com/en-gb/library/ee825488(v=cs.20).aspx |
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*/ |
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public static $languages = array( |
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'af-ZA', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', |
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'ar-LY', 'ar-MA', 'ar-OM', 'ar-QA', 'ar-SA', 'ar-SY', 'ar-TN', 'ar-YE', 'be-BY', |
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'bg-BG', 'ca-ES', 'cs-CZ', 'Cy-az-AZ', 'Cy-sr-SP', 'Cy-uz-UZ', 'da-DK', 'de-AT', |
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'de-CH', 'de-DE', 'de-LI', 'de-LU', 'div-MV', 'el-GR', 'en-AU', 'en-BZ', 'en-CA', |
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'en-CB', 'en-GB', 'en-IE', 'en-JM', 'en-NZ', 'en-PH', 'en-TT', 'en-US', 'en-ZA', |
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'en-ZW', 'es-AR', 'es-BO', 'es-CL', 'es-CO', 'es-CR', 'es-DO', 'es-EC', 'es-ES', |
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'es-GT', 'es-HN', 'es-MX', 'es-NI', 'es-PA', 'es-PE', 'es-PR', 'es-PY', 'es-SV', |
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'es-UY', 'es-VE', 'et-EE', 'eu-ES', 'fa-IR', 'fi-FI', 'fo-FO', 'fr-BE', 'fr-CA', |
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'fr-CH', 'fr-FR', 'fr-LU', 'fr-MC', 'gl-ES', 'gu-IN', 'he-IL', 'hi-IN', 'hr-HR', |
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'hu-HU', 'hy-AM', 'id-ID', 'is-IS', 'it-CH', 'it-IT', 'ja-JP', 'ka-GE', 'kk-KZ', |
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'kn-IN', 'kok-IN', 'ko-KR', 'ky-KZ', 'Lt-az-AZ', 'lt-LT', 'Lt-sr-SP', 'Lt-uz-UZ', |
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'lv-LV', 'mk-MK', 'mn-MN', 'mr-IN', 'ms-BN', 'ms-MY', 'nb-NO', 'nl-BE', 'nl-NL', |
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'nn-NO', 'pa-IN', 'pl-PL', 'pt-BR', 'pt-PT', 'ro-RO', 'ru-RU', 'sa-IN', 'sk-SK', |
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'sl-SI', 'sq-AL', 'sv-FI', 'sv-SE', 'sw-KE', 'syr-SY', 'ta-IN', 'te-IN', 'th-TH', |
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'tr-TR', 'tt-RU', 'uk-UA', 'ur-PK', 'vi-VN', 'zh-CHS', 'zh-CHT', 'zh-CN', 'zh-HK', |
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'zh-MO', 'zh-SG', 'zh-TW', |
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); |
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/** |
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* Generate Device Platform |
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* |
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* Uses a random result with a weighting related to frequencies. |
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*/ |
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public static function generate_platform() |
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{ |
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$rand = mt_rand( 1, 100 ); |
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$sum = 0; |
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foreach ( self::$browsers as $share => $freq_os ) |
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{ |
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$sum += $share; |
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if ( $rand <= $sum ) |
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{ |
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$rand = mt_rand( 1, 100 ); |
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$sum = 0; |
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foreach ( $freq_os as $share => $choice ) |
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{ |
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$sum += $share; |
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if ( $rand <= $sum ) |
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{ |
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return $choice; |
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} |
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} |
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} |
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} |
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throw new Exception( 'Sum of $browsers frequency is not 100.' ); |
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} |
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private static function array_random( $array ) |
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{ |
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$i = array_rand( $array, 1 ); |
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return $array[$i]; |
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} |
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private static function get_language( $lang = array() ) |
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{ |
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return self::array_random( empty( $lang ) ? self::$languages : $lang ); |
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} |
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private static function get_processor( $os ) |
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{ |
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return self::array_random( self::$processors[$os] ); |
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} |
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private static function get_version_nt() |
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{ |
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// Win2k (5.0) to Win 7 (6.1). |
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return mt_rand( 5, 6 ) . '.' . mt_rand( 0, 1 ); |
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} |
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private static function get_version_osx() |
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{ |
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return '10_' . mt_rand( 5, 7 ) . '_' . mt_rand( 0, 9 ); |
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} |
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private static function get_version_webkit() |
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{ |
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return mt_rand( 531, 536 ) . mt_rand( 0, 2 ); |
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} |
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private static function get_verison_chrome() |
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{ |
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return mt_rand( 13, 15 ) . '.0.' . mt_rand( 800, 899 ) . '.0'; |
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} |
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private static function get_version_gecko() |
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{ |
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return mt_rand( 17, 31 ) . '.0'; |
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} |
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private static function get_version_ie() |
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{ |
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return mt_rand( 7, 9 ) . '.0'; |
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} |
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private static function get_version_trident() |
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{ |
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// IE8 (4.0) to IE11 (7.0). |
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return mt_rand( 4, 7 ) . '.0'; |
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} |
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private static function get_version_net() |
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{ |
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// generic .NET Framework common language run time (CLR) version numbers. |
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$frameworks = array( |
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'2.0.50727', |
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'3.0.4506', |
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'3.5.30729', |
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); |
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$rev = '.' . mt_rand( 26, 648 ); |
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return self::array_random( $frameworks ) . $rev; |
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} |
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private static function get_version_safari() |
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{ |
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if ( mt_rand( 0, 1 ) == 0 ) |
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{ |
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$ver = mt_rand( 4, 5 ) . '.' . mt_rand( 0, 1 ); |
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} |
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else |
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{ |
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$ver = mt_rand( 4, 5 ) . '.0.' . mt_rand( 1, 5 ); |
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} |
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return $ver; |
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} |
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private static function get_version_opera() |
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{ |
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return mt_rand( 15, 19 ) . '.0.' . mt_rand( 1147, 1284 ) . mt_rand( 49, 100 ); |
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} |
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/** |
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* Opera |
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* |
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* @see: http://dev.opera.com/blog/opera-user-agent-strings-opera-15-and-beyond/ |
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*/ |
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public static function opera( $arch ) |
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{ |
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$opera = ' OPR/' . self::get_version_opera(); |
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// WebKit Rendering Engine (WebKit = Backend, Safari = Frontend). |
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$engine = self::get_version_webkit(); |
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$webkit = ' AppleWebKit/' . $engine . ' (KHTML, like Gecko)'; |
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$chrome = ' Chrome/' . self::get_verison_chrome(); |
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$safari = ' Safari/' . $engine; |
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switch ( $arch ) |
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{ |
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case 'lin': |
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return '(X11; Linux {proc}) ' . $webkit . $chrome . $safari . $opera; |
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case 'mac': |
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$osx = self::get_version_osx(); |
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return '(Macintosh; U; {proc} Mac OS X ' . $osx . ')' . $webkit . $chrome . $safari . $opera; |
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case 'win': |
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// fall through. |
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default: |
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$nt = self::get_version_nt(); |
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return '(Windows NT ' . $nt . '; WOW64) ' . $webkit . $chrome . $safari . $opera; |
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} |
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} |
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/** |
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* Safari |
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* |
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*/ |
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public static function safari( $arch ) |
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{ |
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$version = ' Version/' . self::get_version_safari(); |
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// WebKit Rendering Engine (WebKit = Backend, Safari = Frontend). |
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$engine = self::get_version_webkit(); |
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$webkit = ' AppleWebKit/' . $engine . ' (KHTML, like Gecko)'; |
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$safari = ' Safari/' . $engine; |
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switch ( $arch ) |
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{ |
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case 'mac': |
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$osx = self::get_version_osx(); |
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return '(Macintosh; U; {proc} Mac OS X ' . $osx . '; {lang})' . $webkit . $version . $safari; |
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case 'win': |
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// fall through. |
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default: |
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$nt = self::get_version_nt(); |
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return '(Windows; U; Windows NT ' . $nt . ')' . $webkit . $version . $safari; |
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} |
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} |
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/** |
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* Internet Explorer |
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* |
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* @see: http://msdn.microsoft.com/en-gb/library/ms537503(v=vs.85).aspx |
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*/ |
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public static function iexplorer( $arch ) |
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{ |
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$nt = self::get_version_nt(); |
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$ie = self::get_version_ie(); |
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$trident = self::get_version_trident(); |
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$net = self::get_version_net(); |
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return '(compatible' |
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. '; MSIE ' . $ie |
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. '; Windows NT ' . $nt |
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. '; WOW64' // A 32-bit version of Internet Explorer is running on a 64-bit processor. |
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. '; Trident/' . $trident |
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. '; .NET CLR ' . $net |
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. ')'; |
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} |
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/** |
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* Firefox User-Agent |
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* |
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* @see: https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference |
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*/ |
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public static function firefox( $arch ) |
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{ |
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// The release version of Gecko. |
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$gecko = self::get_version_gecko(); |
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// On desktop, the gecko trail is fixed. |
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$trail = '20100101'; |
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$release = 'rv:' . $gecko; |
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$version = 'Gecko/' . $trail . ' Firefox/' . $gecko; |
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switch ( $arch ) |
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{ |
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case 'lin': |
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return '(X11; Linux {proc}; ' . $release . ') ' . $version; |
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case 'mac': |
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$osx = self::get_version_osx(); |
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return '(Macintosh; {proc} Mac OS X ' . $osx . '; ' . $release . ') ' . $version; |
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case 'win': |
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// fall through. |
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default: |
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$nt = self::get_version_nt(); |
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return '(Windows NT ' . $nt . '; {lang}; ' . $release . ') ' . $version; |
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} |
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} |
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public static function chrome( $arch ) |
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{ |
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$chrome = ' Chrome/' . self::get_verison_chrome(); |
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// WebKit Rendering Engine (WebKit = Backend, Safari = Frontend). |
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$engine = self::get_version_webkit(); |
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$webkit = ' AppleWebKit/' . $engine . ' (KHTML, like Gecko)'; |
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$safari = ' Safari/' . $engine; |
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switch ( $arch ) |
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{ |
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case 'lin': |
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return '(X11; Linux {proc}) ' . $webkit . $chrome . $safari; |
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case 'mac': |
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$osx = self::get_version_osx(); |
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return '(Macintosh; U; {proc} Mac OS X ' . $osx . ')' . $webkit . $chrome . $safari; |
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case 'win': |
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// fall through. |
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default: |
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$nt = self::get_version_nt(); |
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return '(Windows NT ' . $nt . ') ' . $webkit . $chrome . $safari; |
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} |
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} |
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public static function random( $lang = array( 'en-US' ) ) |
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{ |
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list( $browser, $os ) = self::generate_platform(); |
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return self::generate( $browser, $os, $lang ); |
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} |
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public static function generate( $browser = 'chrome', $os = 'win', $lang = array( 'en-US' ) ) |
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{ |
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|
$ua = self::MOZILLA . call_user_func( 'UAgent::' . $browser, $os ); |
343
|
|
|
|
344
|
|
|
$tags = array( |
345
|
|
|
'{proc}' => self::get_processor( $os ), |
346
|
|
|
'{lang}' => self::get_language( $lang ), |
347
|
|
|
); |
348
|
|
|
|
349
|
|
|
$ua = str_replace( array_keys( $tags ), array_values( $tags ), $ua ); |
350
|
|
|
|
351
|
|
|
return $ua; |
352
|
|
|
} |
353
|
|
|
} |
354
|
|
|
?> |
355
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.