mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-04 01:01:41 +09:00
385 lines
9.9 KiB
PHP
385 lines
9.9 KiB
PHP
<?php
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namespace Rhymix\Framework;
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/**
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* The user-agent class.
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*/
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class UA
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{
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/**
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* Cache to prevent multiple lookups.
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*/
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protected static $_mobile_cache = array();
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protected static $_tablet_cache = array();
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protected static $_robot_cache = array();
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/**
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* Check whether the current visitor is using a mobile device.
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*
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* @param string $ua (optional)
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* @return bool
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*/
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public static function isMobile($ua = null)
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{
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// Get the User-Agent header if the caller did not specify $ua.
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if ($ua === null)
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{
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$ua = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null;
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$using_header = true;
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}
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else
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{
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$using_header = false;
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}
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// If the User-Agent header is missing, it's probably not a mobile browser.
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if (is_null($ua))
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{
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return false;
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}
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// Look for headers that are only used in mobile browsers.
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if ($using_header && (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA'])))
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{
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return true;
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}
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// Look up the cache.
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if (isset(self::$_mobile_cache[$ua]))
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{
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return self::$_mobile_cache[$ua];
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}
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// Look for the 'mobile' keyword and common mobile platform names.
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if (preg_match('/android|ip(hone|ad|od)|blackberry|nokia|palm|mobile/i', $ua))
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{
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return self::$_mobile_cache[$ua] = true;
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}
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// Look for common non-mobile OS names.
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if (preg_match('/windows|linux|os [x9]|bsd/i', $ua))
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{
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return self::$_mobile_cache[$ua] = false;
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}
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// Look for other platform, manufacturer, and device names that are known to be mobile.
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if (preg_match('/kindle|opera (mini|mobi)|polaris|netfront|fennec|motorola|symbianos|webos/i', $ua))
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{
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return self::$_mobile_cache[$ua] = true;
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}
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if (preg_match('/s[pgc]h-|lgtelecom|sonyericsson|alcatel|vodafone|maemo|minimo|bada/i', $ua))
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{
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return self::$_mobile_cache[$ua] = true;
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}
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// If we're here, it's probably not a mobile device.
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return self::$_mobile_cache[$ua] = false;
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}
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/**
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* Check whether the current visitor is using a tablet.
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*
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* @param string $ua (optional)
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* @return bool
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*/
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public static function isTablet($ua = null)
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{
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// Get the User-Agent header if the caller did not specify $ua.
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$ua = $ua ?: (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null);
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// If the User-Agent header is missing, it's probably not a tablet.
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if (is_null($ua))
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{
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return false;
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}
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// Look up the cache.
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if (isset(self::$_tablet_cache[$ua]))
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{
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return self::$_tablet_cache[$ua];
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}
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// Check if the user-agent is mobile.
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if (!self::isMobile($ua))
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{
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return self::$_tablet_cache[$ua] = false;
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}
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// Check for Android tablets without the 'mobile' keyword.
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if (stripos($ua, 'android') !== false && stripos($ua, 'mobile') === false)
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{
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return self::$_tablet_cache[$ua] = true;
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}
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// Check for common tablet identifiers.
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if (preg_match('/tablet|pad\b|tab\b|\bgt-\d+|kindle|nook|playbook|webos|xoom/i', $ua))
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{
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return self::$_tablet_cache[$ua] = true;
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}
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// If we're here, it's probably not a tablet.
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return self::$_tablet_cache[$ua] = false;
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}
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/**
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* Check whether the current visitor is a robot.
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*
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* @param string $ua (optional)
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* @return bool
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*/
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public static function isRobot($ua = null)
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{
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// Get the User-Agent header if the caller did not specify $ua.
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$ua = $ua ?: (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null);
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// If the User-Agent header is missing, it's probably not a robot.
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if (is_null($ua))
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{
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return false;
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}
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// Look up the cache.
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if (isset(self::$_robot_cache[$ua]))
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{
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return self::$_robot_cache[$ua];
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}
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// Look for common search engine names and the 'bot' keyword.
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if (preg_match('/bot|spider|crawler|archiver|wget|curl|php|slurp|wordpress|facebook|teoma|yeti|daum|[(<+]https?:|@/i', $ua))
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{
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return self::$_robot_cache[$ua] = true;
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}
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// If we're here, it's probably not a robot.
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return self::$_robot_cache[$ua] = false;
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}
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/**
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* This method parses the User-Agent string to guess what kind of browser it is.
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*
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* @param string $ua (optional)
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* @return object
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*/
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public static function getBrowserInfo($ua = null)
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{
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// Get the User-Agent header if the caller did not specify $ua.
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$ua = $ua ?: (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null);
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// Initialize the result.
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$result = (object)array(
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'browser' => null,
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'version' => null,
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'os' => null,
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'is_mobile' => null,
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'is_tablet' => null,
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'is_webview' => null,
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'is_robot' => null,
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);
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if (is_null($ua))
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{
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return $result;
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}
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// Try to guess the OS.
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if (preg_match('#(Windows|Android|Linux|i(?:Phone|P[ao]d)|OS X|Macintosh)#i', $ua, $matches))
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{
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if ($matches[1] === 'Linux' && strpos($ua, 'Android') !== false)
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{
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$result->os = 'Android';
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}
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elseif ($matches[1] === 'iPhone' || $matches[1] === 'iPad' || $matches[1] === 'iPod')
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{
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$result->os = 'iOS';
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}
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elseif ($matches[1] === 'Macintosh' || $matches[1] === 'OS X')
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{
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$result->os = 'macOS';
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}
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else
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{
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$result->os = $matches[1];
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}
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}
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// Fill in miscellaneous fields.
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$result->is_mobile = self::isMobile($ua);
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$result->is_tablet = self::isTablet($ua);
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$result->is_webview = strpos($ua, '; wv)') !== false;
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$result->is_robot = self::isRobot($ua);
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// Try to match some of the most common browsers.
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if ($result->os === 'Android' && preg_match('#Android ([0-9]+\\.[0-9]+)#', $ua, $matches))
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{
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if (strpos($ua, 'Chrome') === false || preg_match('#(?:Version|Browser)/[0-9]+#', $ua) || preg_match('#\\bwv\\b#', $ua))
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{
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$result->browser = 'Android';
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$result->version = $matches[1];
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return $result;
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}
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}
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if (preg_match('#Edge/([0-9]+\\.)#', $ua, $matches))
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{
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$result->browser = 'Edge';
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$result->version = $matches[1] . '0';
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return $result;
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}
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if (preg_match('#Trident/([0-9]+)\\.[0-9]+#', $ua, $matches))
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{
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$result->browser = 'IE';
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$result->version = ($matches[1] + 4) . '.0';
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return $result;
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}
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if (preg_match('#(MSIE|OPR|CriOS|Firefox|FxiOS|Iceweasel|Whale|Yeti|[a-z]+(?:bot|spider)(?:-Image)?|wget|curl)[ /:]([0-9]+\\.[0-9]+)#i', $ua, $matches))
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{
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if ($matches[1] === 'MSIE')
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{
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$result->browser = 'IE';
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}
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elseif ($matches[1] === 'CriOS')
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{
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$result->browser = 'Chrome';
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}
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elseif ($matches[1] === 'FxiOS' || $matches[1] === 'Iceweasel')
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{
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$result->browser = 'Firefox';
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}
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elseif ($matches[1] === 'OPR')
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{
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$result->browser = 'Opera';
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}
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else
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{
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$result->browser = ucfirst($matches[1]);
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}
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$result->version = $matches[2];
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return $result;
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}
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if (preg_match('#(?:Opera|OPR)[/ ]([0-9]+\\.[0-9]+)#', $ua, $matches))
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{
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$result->browser = 'Opera';
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if ($matches[1] >= 9.79 && preg_match('#Version/([0-9]+\\.[0-9]+)#', $ua, $operamatches))
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{
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$result->version = $operamatches[1];
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}
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else
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{
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$result->version = $matches[1];
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}
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return $result;
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}
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if (preg_match('#(?:Konqueror|KHTML)/([0-9]+\\.[0-9]+)$#', $ua, $matches))
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{
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$result->browser = 'Konqueror';
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$result->version = $matches[1];
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return $result;
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}
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if (preg_match('#Chrome/([0-9]+\\.[0-9]+)#', $ua, $matches))
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{
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$result->browser = 'Chrome';
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$result->version = $matches[1];
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return $result;
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}
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if (preg_match('#Safari/[0-9]+#', $ua) && preg_match('#Version/([0-9]+\\.[0-9]+)#', $ua, $matches) && $matches[1] < 500)
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{
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$result->browser = 'Safari';
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$result->version = $matches[1];
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return $result;
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}
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if (preg_match('#\\bPHP(/[0-9]+\\.[0-9]+)?#', $ua, $matches))
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{
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$result->browser = 'PHP';
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$result->version = (isset($matches[1]) && $matches[1]) ? substr($matches[1], 1) : null;
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return $result;
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}
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if (preg_match('#^Mozilla/([0-9]+\\.[0-9]+)#', $ua, $matches))
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{
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$result->browser = 'Mozilla';
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$result->version = $matches[1];
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return $result;
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}
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if (preg_match('#^([a-zA-Z0-9_-]+)/([0-9]+\\.[0-9]+)#', $ua, $matches))
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{
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$result->browser = ucfirst($matches[1]);
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$result->version = $matches[2];
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return $result;
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}
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return $result;
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}
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/**
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* This method encodes a UTF-8 filename for downloading in the current visitor's browser.
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*
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* See: https://blog.bloodcat.com/302
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*
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* @param string $filename
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* @param string $ua (optional)
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* @return string
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*/
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public static function encodeFilenameForDownload($filename, $ua = null)
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{
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// Get the User-Agent header if the caller did not specify $ua.
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$ua = $ua ?: (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : null);
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// Get the browser name and version.
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$browser = self::getBrowserInfo($ua);
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// Find the best format that this browser supports.
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if ($browser->browser === 'Chrome' && $browser->version >= 11 & !$browser->is_webview)
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{
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$output_format = 'rfc5987';
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}
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elseif ($browser->browser === 'Firefox' && $browser->version >= 6)
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{
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$output_format = 'rfc5987';
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}
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elseif ($browser->browser === 'Safari' && $browser->version >= 6)
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{
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$output_format = 'rfc5987';
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}
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elseif ($browser->browser === 'IE' && $browser->version >= 10)
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{
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$output_format = 'rfc5987';
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}
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elseif ($browser->browser === 'Edge')
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{
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$output_format = 'rfc5987';
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}
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elseif ($browser->browser === 'IE')
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{
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$output_format = 'old_ie';
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}
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elseif ($browser->browser === 'Android' || $browser->browser === 'Whale' || $browser->is_webview)
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{
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$output_format = 'raw';
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}
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elseif ($browser->browser === 'Chrome' || $browser->browser === 'Safari')
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{
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$output_format = 'raw';
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}
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else
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{
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$output_format = 'old_ie';
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}
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// Clean the filename.
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$filename = Filters\FilenameFilter::clean($filename);
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// Apply the format and return.
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switch ($output_format)
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{
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case 'raw':
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return 'filename="' . $filename . '"';
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case 'rfc5987':
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$filename = rawurlencode($filename);
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return "filename*=UTF-8''" . $filename;
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case 'old_ie':
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default:
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$filename = rawurlencode($filename);
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return 'filename="' . preg_replace('/\./', '%2e', $filename, substr_count($filename, '.') - 1) . '"';
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}
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}
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}
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