Complex classes like Jetpack_User_Agent_Info often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Jetpack_User_Agent_Info, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 21 | class Jetpack_User_Agent_Info { |
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| 22 | |||
| 23 | /** |
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| 24 | * User_Agent_Info instance from the `jetpack-device-detection` package. |
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| 25 | * |
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| 26 | * @var User_Agent_Info |
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| 27 | */ |
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| 28 | private $ua_info; |
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| 29 | |||
| 30 | /** |
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| 31 | * The constructor. |
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| 32 | * |
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| 33 | * @param string $ua (Optional) User agent. |
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| 34 | */ |
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| 35 | public function __construct( $ua = '' ) { |
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| 39 | |||
| 40 | /** |
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| 41 | * This method detects the mobile User Agent name. |
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| 42 | * |
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| 43 | * @return string The matched User Agent name, false otherwise. |
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| 44 | */ |
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| 45 | public function get_mobile_user_agent_name() { |
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| 49 | |||
| 50 | /** |
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| 51 | * This method detects the mobile device's platform. All return strings are from the class constants. |
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| 52 | * Note that this function returns the platform name, not the UA name/type. You should use a different function |
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| 53 | * if you need to test the UA capabilites. |
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| 54 | * |
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| 55 | * @return string Name of the platform, false otherwise. |
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| 56 | */ |
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| 57 | public function get_platform() { |
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| 61 | |||
| 62 | /** |
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| 63 | * This method detects for UA which can display iPhone-optimized web content. |
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| 64 | * Includes iPhone, iPod Touch, Android, WebOS, Fennec (Firefox mobile), etc. |
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| 65 | */ |
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| 66 | public function isTierIphone() { |
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| 70 | |||
| 71 | /** |
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| 72 | * This method detects for UA which are likely to be capable |
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| 73 | * but may not necessarily support JavaScript. |
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| 74 | * Excludes all iPhone Tier UA. |
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| 75 | */ |
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| 76 | public function isTierRichCss() { |
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| 80 | |||
| 81 | /** |
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| 82 | * Detects if the user is using a tablet. |
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| 83 | * props Corey Gilmore, BGR.com |
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| 84 | * |
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| 85 | * @return bool |
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| 86 | */ |
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| 87 | public function is_tablet() { |
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| 91 | |||
| 92 | /** |
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| 93 | * Detects if the current UA is the default iPhone or iPod Touch Browser. |
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| 94 | * |
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| 95 | * DEPRECATED: use is_iphone_or_ipod |
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| 96 | */ |
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| 97 | public function is_iphoneOrIpod() { |
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| 101 | |||
| 102 | |||
| 103 | /** |
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| 104 | * Detects if the current UA is iPhone Mobile Safari or another iPhone or iPod Touch Browser. |
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| 105 | * |
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| 106 | * They type can check for any iPhone, an iPhone using Safari, or an iPhone using something other than Safari. |
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| 107 | * |
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| 108 | * Note: If you want to check for Opera mini, Opera mobile or Firefox mobile (or any 3rd party iPhone browser), |
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| 109 | * you should put the check condition before the check for 'iphone-any' or 'iphone-not-safari'. |
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| 110 | * Otherwise those browsers will be 'catched' by the iphone string. |
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| 111 | * |
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| 112 | * @param string $type Type of iPhone detection. |
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| 113 | */ |
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| 114 | public static function is_iphone_or_ipod( $type = 'iphone-any' ) { |
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| 118 | |||
| 119 | /** |
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| 120 | * Detects if the current UA is Chrome for iOS |
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| 121 | * |
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| 122 | * The User-Agent string in Chrome for iOS is the same as the Mobile Safari User-Agent, with CriOS/<ChromeRevision> instead of Version/<VersionNum>. |
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| 123 | * - Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en) AppleWebKit/534.46.0 (KHTML, like Gecko) CriOS/19.0.1084.60 Mobile/9B206 Safari/7534.48.3 |
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| 124 | */ |
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| 125 | public static function is_chrome_for_iOS() { |
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| 129 | |||
| 130 | /** |
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| 131 | * Detects if the current UA is Twitter for iPhone |
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| 132 | * |
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| 133 | * Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; nb-no) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8L1 Twitter for iPhone |
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| 134 | * Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 Twitter for iPhone |
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| 135 | */ |
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| 136 | public static function is_twitter_for_iphone() { |
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| 140 | |||
| 141 | /** |
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| 142 | * Detects if the current UA is Twitter for iPad |
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| 143 | * |
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| 144 | * Old version 4.X - Mozilla/5.0 (iPad; U; CPU OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8L1 Twitter for iPad |
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| 145 | * Ver 5.0 or Higher - Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 Twitter for iPhone |
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| 146 | */ |
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| 147 | public static function is_twitter_for_ipad() { |
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| 151 | |||
| 152 | /** |
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| 153 | * Detects if the current UA is Facebook for iPhone |
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| 154 | * - Facebook 4020.0 (iPhone; iPhone OS 5.0.1; fr_FR) |
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| 155 | * - Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_0 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.2;FBBV/4020.0;FBDV/iPhone3,1;FBMD/iPhone;FBSN/iPhone OS;FBSV/5.0;FBSS/2; FBCR/O2;FBID/phone;FBLC/en_US;FBSF/2.0] |
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| 156 | * - Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 [FBAN/FBIOS;FBAV/5.0;FBBV/47423;FBDV/iPhone3,1;FBMD/iPhone;FBSN/iPhone OS;FBSV/5.1.1;FBSS/2; FBCR/3ITA;FBID/phone;FBLC/en_US] |
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| 157 | */ |
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| 158 | public static function is_facebook_for_iphone() { |
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| 162 | |||
| 163 | /** |
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| 164 | * Detects if the current UA is Facebook for iPad |
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| 165 | * - Facebook 4020.0 (iPad; iPhone OS 5.0.1; en_US) |
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| 166 | * - Mozilla/5.0 (iPad; U; CPU iPhone OS 5_0 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.2;FBBV/4020.0;FBDV/iPad2,1;FBMD/iPad;FBSN/iPhone OS;FBSV/5.0;FBSS/1; FBCR/;FBID/tablet;FBLC/en_US;FBSF/1.0] |
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| 167 | * - Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Mobile/10A403 [FBAN/FBIOS;FBAV/5.0;FBBV/47423;FBDV/iPad2,1;FBMD/iPad;FBSN/iPhone OS;FBSV/6.0;FBSS/1; FBCR/;FBID/tablet;FBLC/en_US] |
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| 168 | */ |
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| 169 | public static function is_facebook_for_ipad() { |
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| 173 | |||
| 174 | /** |
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| 175 | * Detects if the current UA is WordPress for iOS |
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| 176 | */ |
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| 177 | public static function is_wordpress_for_ios() { |
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| 181 | |||
| 182 | /** |
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| 183 | * Detects if the current device is an iPad. |
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| 184 | * They type can check for any iPad, an iPad using Safari, or an iPad using something other than Safari. |
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| 185 | * |
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| 186 | * Note: If you want to check for Opera mini, Opera mobile or Firefox mobile (or any 3rd party iPad browser), |
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| 187 | * you should put the check condition before the check for 'iphone-any' or 'iphone-not-safari'. |
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| 188 | * Otherwise those browsers will be 'catched' by the ipad string. |
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| 189 | * |
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| 190 | * @param string $type iPad type. |
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| 191 | */ |
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| 192 | public static function is_ipad( $type = 'ipad-any' ) { |
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| 196 | |||
| 197 | /** |
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| 198 | * Detects if the current browser is Firefox Mobile (Fennec) |
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| 199 | * |
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| 200 | * See http://www.useragentstring.com/pages/Fennec/ |
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| 201 | * Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.1.1) Gecko/20110415 Firefox/4.0.2pre Fennec/4.0.1 |
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| 202 | * Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b2pre) Gecko/20081015 Fennec/1.0a1 |
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| 203 | */ |
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| 204 | public static function is_firefox_mobile() { |
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| 208 | |||
| 209 | /** |
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| 210 | * Detects if the current browser is Firefox for desktop |
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| 211 | * |
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| 212 | * See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent/Firefox |
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| 213 | * Mozilla/5.0 (platform; rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion |
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| 214 | * The platform section will include 'Mobile' for phones and 'Tablet' for tablets. |
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| 215 | */ |
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| 216 | public static function is_firefox_desktop() { |
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| 220 | |||
| 221 | /** |
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| 222 | * Detects if the current browser is FirefoxOS Native browser |
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| 223 | * |
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| 224 | * Mozilla/5.0 (Mobile; rv:14.0) Gecko/14.0 Firefox/14.0 |
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| 225 | */ |
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| 226 | public static function is_firefox_os() { |
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| 230 | |||
| 231 | /** |
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| 232 | * Detects if the current browser is Opera Mobile |
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| 233 | * |
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| 234 | * What is the difference between Opera Mobile and Opera Mini? |
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| 235 | * - Opera Mobile is a full Internet browser for mobile devices. |
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| 236 | * - Opera Mini always uses a transcoder to convert the page for a small display. |
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| 237 | * (it uses Opera advanced server compression technology to compress web content before it gets to a device. |
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| 238 | * The rendering engine is on Opera's server.) |
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| 239 | * |
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| 240 | * Opera/9.80 (Windows NT 6.1; Opera Mobi/14316; U; en) Presto/2.7.81 Version/11.00" |
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| 241 | * Opera/9.50 (Nintendo DSi; Opera/507; U; en-US) |
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| 242 | */ |
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| 243 | public static function is_opera_mobile() { |
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| 247 | |||
| 248 | |||
| 249 | /** |
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| 250 | * Detects if the current browser is Opera Mini |
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| 251 | * |
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| 252 | * Opera/8.01 (J2ME/MIDP; Opera Mini/3.0.6306/1528; en; U; ssr) |
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| 253 | * Opera/9.80 (Android;Opera Mini/6.0.24212/24.746 U;en) Presto/2.5.25 Version/10.5454 |
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| 254 | * Opera/9.80 (iPhone; Opera Mini/5.0.019802/18.738; U; en) Presto/2.4.15 |
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| 255 | * Opera/9.80 (J2ME/iPhone;Opera Mini/5.0.019802/886; U; ja) Presto/2.4.15 |
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| 256 | * Opera/9.80 (J2ME/iPhone;Opera Mini/5.0.019802/886; U; ja) Presto/2.4.15 |
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| 257 | * Opera/9.80 (Series 60; Opera Mini/5.1.22783/23.334; U; en) Presto/2.5.25 Version/10.54 |
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| 258 | * Opera/9.80 (BlackBerry; Opera Mini/5.1.22303/22.387; U; en) Presto/2.5.25 Version/10.54 |
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| 259 | */ |
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| 260 | public static function is_opera_mini() { |
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| 264 | |||
| 265 | /** |
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| 266 | * Detects if the current browser is Opera Mini, but not on a smart device OS(Android, iOS, etc) |
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| 267 | * Used to send users on dumb devices to m.wor |
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| 268 | */ |
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| 269 | public static function is_opera_mini_dumb() { |
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| 273 | |||
| 274 | /** |
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| 275 | * Detects if the current browser is Opera Mobile or Mini. |
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| 276 | * DEPRECATED: use is_opera_mobile or is_opera_mini |
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| 277 | * |
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| 278 | * Opera Mini 5 Beta: Opera/9.80 (J2ME/MIDP; Opera Mini/5.0.15650/756; U; en) Presto/2.2.0 |
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| 279 | * Opera Mini 8: Opera/8.01 (J2ME/MIDP; Opera Mini/3.0.6306/1528; en; U; ssr) |
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| 280 | */ |
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| 281 | public static function is_OperaMobile() { |
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| 285 | |||
| 286 | /** |
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| 287 | * Detects if the current browser is a Windows Phone 7 device. |
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| 288 | * ex: Mozilla/4.0 (compatible; MSIE 7.0; Windows Phone OS 7.0; Trident/3.1; IEMobile/7.0; LG; GW910) |
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| 289 | */ |
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| 290 | public static function is_WindowsPhone7() { |
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| 294 | |||
| 295 | /** |
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| 296 | * Detects if the current browser is a Windows Phone 8 device. |
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| 297 | * ex: Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; ARM; Touch; IEMobile/10.0; <Manufacturer>; <Device> [;<Operator>]) |
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| 298 | */ |
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| 299 | public static function is_windows_phone_8() { |
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| 303 | |||
| 304 | |||
| 305 | /** |
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| 306 | * Detects if the current browser is on a Palm device running the new WebOS. This EXCLUDES TouchPad. |
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| 307 | * |
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| 308 | * Ex1: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pre/1.1 |
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| 309 | * Ex2: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pixi/1.1 |
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| 310 | */ |
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| 311 | public static function is_PalmWebOS() { |
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| 315 | |||
| 316 | /** |
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| 317 | * Detects if the current browser is the HP TouchPad default browser. This excludes phones wt WebOS. |
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| 318 | * |
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| 319 | * TouchPad Emulator: Mozilla/5.0 (hp-desktop; Linux; hpwOS/2.0; U; it-IT) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 Desktop/1.0 |
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| 320 | * TouchPad: Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0 |
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| 321 | */ |
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| 322 | public static function is_TouchPad() { |
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| 326 | |||
| 327 | |||
| 328 | /** |
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| 329 | * Detects if the current browser is the Series 60 Open Source Browser. |
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| 330 | * |
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| 331 | * OSS Browser 3.2 on E75: Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1/110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413 |
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| 332 | * |
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| 333 | * 7.0 Browser (Nokia 5800 XpressMusic (v21.0.025)) : Mozilla/5.0 (SymbianOS/9.4; U; Series60/5.0 Nokia5800d-1/21.0.025; Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413 |
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| 334 | * |
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| 335 | * Browser 7.1 (Nokia N97 (v12.0.024)) : Mozilla/5.0 (SymbianOS/9.4; Series60/5.0 NokiaN97-1/12.0.024; Profile/MIDP-2.1 Configuration/CLDC-1.1; en-us) AppleWebKit/525 (KHTML, like Gecko) BrowserNG/7.1.12344 |
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| 336 | */ |
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| 337 | public static function is_S60_OSSBrowser() { |
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| 341 | |||
| 342 | /** |
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| 343 | * Detects if the device platform is the Symbian Series 60. |
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| 344 | */ |
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| 345 | public static function is_symbian_platform() { |
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| 349 | |||
| 350 | /** |
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| 351 | * Detects if the device platform is the Symbian Series 40. |
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| 352 | * Nokia Browser for Series 40 is a proxy based browser, previously known as Ovi Browser. |
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| 353 | * This browser will report 'NokiaBrowser' in the header, however some older version will also report 'OviBrowser'. |
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| 354 | */ |
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| 355 | public static function is_symbian_s40_platform() { |
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| 359 | |||
| 360 | /** |
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| 361 | * Returns if the device belongs to J2ME capable family. |
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| 362 | * |
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| 363 | * @return bool |
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| 364 | */ |
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| 365 | public static function is_J2ME_platform() { |
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| 369 | |||
| 370 | |||
| 371 | /** |
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| 372 | * Detects if the current UA is on one of the Maemo-based Nokia Internet Tablets. |
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| 373 | */ |
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| 374 | public static function is_MaemoTablet() { |
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| 378 | |||
| 379 | /** |
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| 380 | * Detects if the current UA is a MeeGo device (Nokia Smartphone). |
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| 381 | */ |
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| 382 | public static function is_MeeGo() { |
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| 386 | |||
| 387 | |||
| 388 | /** |
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| 389 | * The is_webkit() method can be used to check the User Agent for an webkit generic browser. |
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| 390 | */ |
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| 391 | public static function is_webkit() { |
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| 395 | |||
| 396 | /** |
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| 397 | * Detects if the current browser is the Native Android browser. |
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| 398 | * |
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| 399 | * @return boolean true if the browser is Android otherwise false |
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| 400 | */ |
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| 401 | public static function is_android() { |
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| 405 | |||
| 406 | |||
| 407 | /** |
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| 408 | * Detects if the current browser is the Native Android Tablet browser. |
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| 409 | * Assumes 'Android' should be in the user agent, but not 'mobile' |
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| 410 | * |
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| 411 | * @return boolean true if the browser is Android and not 'mobile' otherwise false |
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| 412 | */ |
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| 413 | public static function is_android_tablet() { |
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| 417 | |||
| 418 | /** |
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| 419 | * Detects if the current browser is the Kindle Fire Native browser. |
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| 420 | * |
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| 421 | * Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us; Silk/1.1.0-84) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16 Silk-Accelerated=true |
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| 422 | * Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us; Silk/1.1.0-84) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16 Silk-Accelerated=false |
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| 423 | * |
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| 424 | * @return boolean true if the browser is Kindle Fire Native browser otherwise false |
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| 425 | */ |
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| 426 | public static function is_kindle_fire() { |
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| 430 | |||
| 431 | /** |
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| 432 | * Detects if the current browser is the Kindle Touch Native browser |
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| 433 | * |
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| 434 | * Mozilla/5.0 (X11; U; Linux armv7l like Android; en-us) AppleWebKit/531.2+ (KHTML, like Gecko) Version/5.0 Safari/533.2+ Kindle/3.0+ |
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| 435 | * |
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| 436 | * @return boolean true if the browser is Kindle monochrome Native browser otherwise false |
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| 437 | */ |
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| 438 | public static function is_kindle_touch() { |
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| 442 | |||
| 443 | |||
| 444 | /** |
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| 445 | * Detect if user agent is the WordPress.com Windows 8 app (used ONLY on the custom oauth stylesheet) |
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| 446 | */ |
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| 447 | public static function is_windows8_auth() { |
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| 451 | |||
| 452 | /** |
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| 453 | * Detect if user agent is the WordPress.com Windows 8 app. |
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| 454 | */ |
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| 455 | public static function is_wordpress_for_win8() { |
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| 459 | |||
| 460 | /** |
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| 461 | * Detect if user agent is the WordPress.com Desktop app. |
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| 462 | */ |
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| 463 | public static function is_wordpress_desktop_app() { |
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| 467 | |||
| 468 | /** |
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| 469 | * The is_blackberry_tablet() method can be used to check the User Agent for a RIM blackberry tablet. |
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| 470 | * The user agent of the BlackBerry® Tablet OS follows a format similar to the following: |
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| 471 | * Mozilla/5.0 (PlayBook; U; RIM Tablet OS 1.0.0; en-US) AppleWebKit/534.8+ (KHTML, like Gecko) Version/0.0.1 Safari/534.8+ |
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| 472 | */ |
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| 473 | public static function is_blackberry_tablet() { |
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| 477 | |||
| 478 | /** |
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| 479 | * The is_blackbeberry() method can be used to check the User Agent for a blackberry device. |
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| 480 | * Note that opera mini on BB matches this rule. |
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| 481 | */ |
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| 482 | public static function is_blackbeberry() { |
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| 486 | |||
| 487 | /** |
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| 488 | * The is_blackberry_10() method can be used to check the User Agent for a BlackBerry 10 device. |
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| 489 | */ |
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| 490 | public static function is_blackberry_10() { |
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| 494 | |||
| 495 | /** |
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| 496 | * Retrieve the blackberry OS version. |
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| 497 | * |
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| 498 | * Return strings are from the following list: |
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| 499 | * - blackberry-10 |
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| 500 | * - blackberry-7 |
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| 501 | * - blackberry-6 |
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| 502 | * - blackberry-torch //only the first edition. The 2nd edition has the OS7 onboard and doesn't need any special rule. |
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| 503 | * - blackberry-5 |
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| 504 | * - blackberry-4.7 |
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| 505 | * - blackberry-4.6 |
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| 506 | * - blackberry-4.5 |
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| 507 | * |
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| 508 | * @return string Version of the BB OS. |
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| 509 | * If version is not found, get_blackbeberry_OS_version will return boolean false. |
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| 510 | */ |
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| 511 | public static function get_blackbeberry_OS_version() { |
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| 515 | |||
| 516 | /** |
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| 517 | * Retrieve the blackberry browser version. |
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| 518 | * |
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| 519 | * Return string are from the following list: |
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| 520 | * - blackberry-10 |
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| 521 | * - blackberry-webkit |
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| 522 | * - blackberry-5 |
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| 523 | * - blackberry-4.7 |
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| 524 | * - blackberry-4.6 |
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| 525 | * |
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| 526 | * @return string Type of the BB browser. |
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| 527 | * If browser's version is not found, detect_blackbeberry_browser_version will return boolean false. |
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| 528 | */ |
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| 529 | public static function detect_blackberry_browser_version() { |
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| 533 | |||
| 534 | /** |
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| 535 | * Checks if a visitor is coming from one of the WordPress mobile apps. |
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| 536 | * |
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| 537 | * @return bool |
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| 538 | */ |
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| 539 | public static function is_mobile_app() { |
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| 543 | |||
| 544 | /** |
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| 545 | * Detects if the current browser is Nintendo 3DS handheld. |
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| 546 | * |
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| 547 | * Example: Mozilla/5.0 (Nintendo 3DS; U; ; en) Version/1.7498.US |
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| 548 | * can differ in language, version and region |
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| 549 | */ |
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| 550 | public static function is_Nintendo_3DS() { |
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| 554 | |||
| 555 | /** |
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| 556 | * Was the current request made by a known bot? |
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| 557 | * |
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| 558 | * @return boolean |
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| 559 | */ |
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| 560 | public static function is_bot() { |
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| 564 | |||
| 565 | /** |
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| 566 | * Is the given user-agent a known bot? |
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| 567 | * If you want an is_bot check for the current request's UA, use is_bot() instead of passing a user-agent to this method. |
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| 568 | * |
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| 569 | * @param string $ua A user-agent string. |
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|
|
|||
| 570 | * |
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| 571 | * @return boolean |
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| 572 | */ |
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| 573 | public static function is_bot_user_agent( $ua = null ) { |
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| 577 | } |
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| 578 |
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.