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<?php |
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/** |
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* Copyright (c) 2018 Justin Kuenzel (jukusoft.com) |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/** |
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* Project: RocketCMS |
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* License: Apache 2.0 license |
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* User: Justin |
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* Date: 05.03.2018 |
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* Time: 01:57 |
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*/ |
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class Browser { |
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//cached values |
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protected static $isMobile = false; |
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protected static $mobile_checked = false; |
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protected static $isTablet = false; |
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protected static $tablet_checked = false; |
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//https://github.com/serbanghita/Mobile-Detect/blob/master/Mobile_Detect.php |
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/** |
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* check, if browser is mobile |
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* |
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* @return true, if browser is mobile |
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*/ |
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public static function isMobile () : bool { |
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//in-memory cache |
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if (self::$mobile_checked) { |
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return self::$isMobile; |
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} |
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//customized from: https://stackoverflow.com/questions/4117555/simplest-way-to-detect-a-mobile-device |
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//https://stackoverflow.com/questions/4117555/simplest-way-to-detect-a-mobile-device |
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$value = preg_match("/(android|webos|avantgo|iphone|ipad|ipod|blackberry|iemobile|bolt|boost|cricket|docomo|fone|hiptop|mini|opera mini|kitkat|mobi|palm|phone|pie|tablet|up\.browser|up\.link|webos|wos)/i", self::getUserAgent()); |
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//cache values (in local in-memory cache) |
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self::$isMobile = $value; |
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self::$mobile_checked = true; |
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return $value; |
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} |
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public static function isMobilePhone () : bool { |
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throw new Exception("method Browser::isMobilePhone() isnt implemented yet."); |
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//TODO: add code here |
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} |
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public static function isTablet () : bool { |
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//in-memory cache |
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if (self::$tablet_checked) { |
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return self::$isTablet; |
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} |
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//https://www.phpclasses.org/browse/file/48225.html |
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//https://mobiforge.com/design-development/tablet-and-mobile-device-detection-php |
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//TODO: ATTENTION! Rewrite this method so it will result into better performance! |
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$user_agent = self::getUserAgent(); |
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$tablet_browser = 0; |
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if (preg_match('/(tablet|ipad|playbook)|(android(?!.*(mobi|opera mini)))/i', strtolower($user_agent))) { |
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$tablet_browser++; |
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} |
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if (strpos(strtolower($user_agent),'opera mini') > 0) { |
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//Check for tablets on opera mini alternative headers |
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$stock_ua = strtolower(isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA']) ? $_SERVER['HTTP_X_OPERAMINI_PHONE_UA'] : (isset($_SERVER['HTTP_DEVICE_STOCK_UA'])?$_SERVER['HTTP_DEVICE_STOCK_UA']:'')); |
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if (preg_match('/(tablet|ipad|playbook)|(android(?!.*mobile))/i', $stock_ua)) { |
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$tablet_browser++; |
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} |
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} |
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$value = $tablet_browser > 0; |
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//cache values (in local in-memory cache) |
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self::$isTablet = $value; |
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self::$tablet_checked = true; |
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return $value; |
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} |
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public static function isAppleiOS () : bool { |
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$user_agent = self::getUserAgent(); |
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$iPod = stripos($user_agent,"iPod"); |
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$iPhone = stripos($user_agent,"iPhone"); |
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$iPad = stripos($user_agent,"iPad"); |
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//$Android = stripos($_SERVER['HTTP_USER_AGENT'],"Android"); |
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//$webOS = stripos($_SERVER['HTTP_USER_AGENT'],"webOS"); |
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return $iPod !== false || $iPhone !== false || $iPad !== false; |
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} |
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public static function isAndroid () : bool { |
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return stripos(self::getUserAgent(),'android') !== false; |
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} |
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public static function getUserAgent () : string { |
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$user_agent = ""; |
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if (isset($_SERVER['HTTP_USER_AGENT'])) { |
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$user_agent = strtolower(htmlentities($_SERVER['HTTP_USER_AGENT'])); |
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} |
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//throw event, so plugins can modify user agent |
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Events::throwEvent("get_user_agent", array( |
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'user_agent' => &$user_agent, |
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)); |
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return $user_agent; |
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} |
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} |
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?> |
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JuKu /
JuKuCMS
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