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<?php |
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/** |
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* Request Utils basic file. |
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* |
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* @package App |
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* |
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* @copyright YetiForce S.A. |
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* @license YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com) |
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* @author Mariusz Krzaczkowski <[email protected]> |
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*/ |
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namespace App; |
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/** |
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* Request Utils basic class. |
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*/ |
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class RequestUtil |
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{ |
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/** @var stdClass Browser cache variable. */ |
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protected static $browserCache; |
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/** @var bool Cache https check variable. */ |
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protected static $httpsCache; |
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/** @var bool Net connection cache. */ |
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protected static $connectionCache; |
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/** @var string Cache request id variable. */ |
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protected static $requestId; |
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/** |
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* IP fields names variable. |
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* |
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* @var string[] |
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*/ |
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protected static $ipFields = [ |
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'HTTP_CLIENT_IP', |
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'HTTP_X_FORWARDED_FOR', |
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'HTTP_X_FORWARDED', |
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'HTTP_FORWARDED_FOR', |
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'HTTP_FORWARDED', |
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'HTTP_X_CLUSTER_CLIENT_IP', |
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'HTTP_CF_CONNECTING_IP', |
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]; |
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public static function getRemoteIP($onlyIP = false) |
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{ |
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$address = Request::_getServer('REMOTE_ADDR'); |
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if ($onlyIP) { |
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return empty($address) ? '' : $address; |
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} |
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// append the NGINX X-Real-IP header, if set |
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if (!empty($_SERVER['HTTP_X_REAL_IP'])) { |
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$remoteIp[] = 'X-Real-IP: ' . Request::_getServer('HTTP_X_REAL_IP'); |
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} |
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foreach (self::$ipFields as $key) { |
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if (isset($_SERVER[$key])) { |
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$remoteIp[] = "$key: " . Request::_getServer($key); |
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} |
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} |
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if (!empty($remoteIp)) { |
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$address .= '(' . implode(',', $remoteIp) . ')'; |
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} |
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return empty($address) ? '' : $address; |
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} |
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/** |
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* Get browser details. |
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* |
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* @return object |
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*/ |
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public static function getBrowserInfo(): object |
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{ |
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if (empty(self::$browserCache)) { |
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$browserAgent = strtolower(\App\Request::_getServer('HTTP_USER_AGENT', '')); |
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$browser = new \stdClass(); |
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$browser->ver = 0; |
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$browser->win = false !== strpos($browserAgent, 'win'); |
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$browser->mac = false !== strpos($browserAgent, 'mac'); |
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$browser->linux = false !== strpos($browserAgent, 'linux'); |
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$browser->unix = false !== strpos($browserAgent, 'unix'); |
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$browser->webkit = false !== strpos($browserAgent, 'applewebkit'); |
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$browser->opera = false !== strpos($browserAgent, 'opera') || ($browser->webkit && false !== strpos($browserAgent, 'opr/')); |
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$browser->ns = false !== strpos($browserAgent, 'netscape'); |
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$browser->chrome = !$browser->opera && false !== strpos($browserAgent, 'chrome'); |
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$browser->ie = !$browser->opera && (false !== strpos($browserAgent, 'compatible; msie') || false !== strpos($browserAgent, 'trident/')); |
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$browser->safari = !$browser->opera && !$browser->chrome && ($browser->webkit || false !== strpos($browserAgent, 'safari')); |
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$browser->mz = !$browser->ie && !$browser->safari && !$browser->chrome && !$browser->ns && !$browser->opera && false !== strpos($browserAgent, 'mozilla'); |
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if (false !== strpos($browserAgent, 'msie')) { |
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$browser->name = 'Internet explorer'; |
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} elseif (false !== strpos($browserAgent, 'trident')) { //For Supporting IE 11 |
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$browser->name = 'Internet explorer'; |
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} elseif (false !== strpos($browserAgent, 'firefox')) { |
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$browser->name = 'Mozilla Firefox'; |
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} elseif (false !== strpos($browserAgent, 'chrome')) { |
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$browser->name = 'Google Chrome'; |
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} elseif (false !== strpos($browserAgent, 'opera mini')) { |
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$browser->name = 'Opera Mini'; |
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} elseif (false !== strpos($browserAgent, 'opera')) { |
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$browser->name = 'Opera'; |
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} elseif (false !== strpos($browserAgent, 'safari')) { |
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$browser->name = 'Safari'; |
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} else { |
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$browser->name = 'unknow'; |
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} |
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if ($browser->opera) { |
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if (preg_match('/(opera|opr)\/([0-9.]+)/', $browserAgent, $regs)) { |
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$browser->ver = (float) $regs[2]; |
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} |
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} elseif (preg_match('/(chrome|msie|version|khtml)(\s*|\/)([0-9.]+)/', $browserAgent, $regs)) { |
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$browser->ver = (float) $regs[3]; |
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} elseif (preg_match('/rv:([0-9.]+)/', $browserAgent, $regs)) { |
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$browser->ver = (float) $regs[1]; |
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} |
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if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $browserAgent, $regs)) { |
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$browser->lang = $regs[1]; |
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} else { |
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$browser->lang = 'en'; |
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} |
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$browser->https = self::isHttps(); |
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$sp = strtolower(Request::_getServer('SERVER_PROTOCOL')); |
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$protocol = substr($sp, 0, strpos($sp, '/')) . (($browser->https) ? 's' : ''); |
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$port = isset($_SERVER['SERVER_PORT']) ? (int) $_SERVER['SERVER_PORT'] : 0; |
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$port = ((!$browser->https && 80 === $port) || ($browser->https && 443 === $port)) ? '' : ':' . $port; |
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$host = Request::_getServer('HTTP_X_FORWARDED_HOST', Request::_getServer('HTTP_HOST', '')); |
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$host = $host ?? Request::_getServer('SERVER_NAME') . $port; |
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$dirPath = explode('/', Request::_getServer('SCRIPT_NAME')); |
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array_pop($dirPath); |
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$dirPath = implode('/', $dirPath); |
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$browser->url = $protocol . '://' . $host . Request::_getServer('REQUEST_URI'); |
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$browser->siteUrl = $protocol . '://' . $host . $dirPath . '/'; |
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$browser->requestUri = ltrim(Request::_getServer('REQUEST_URI'), '/'); |
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self::$browserCache = $browser; |
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} |
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return self::$browserCache; |
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} |
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/** |
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* Check net connection. |
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* |
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* @return bool |
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*/ |
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public static function isNetConnection(): bool |
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{ |
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if (!\App\Config::performance('ACCESS_TO_INTERNET')) { |
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return false; |
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} |
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if (isset(self::$connectionCache)) { |
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return self::$connectionCache; |
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} |
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return self::$connectionCache = 'www.google.com' !== gethostbyname('www.google.com'); |
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} |
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/** |
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* Check that the connection is https. |
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* |
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* @return bool |
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*/ |
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public static function isHttps(): bool |
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{ |
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if (!isset(self::$httpsCache)) { |
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self::$httpsCache = (!empty($_SERVER['HTTPS']) && 'off' !== strtolower($_SERVER['HTTPS'])) |
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|| (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && 'https' === strtolower($_SERVER['HTTP_X_FORWARDED_PROTO'])); |
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} |
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return self::$httpsCache; |
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} |
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/** |
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* Get the IP address corresponding to a given Internet host name. |
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* |
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* @param string $name |
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* |
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* @return string |
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*/ |
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public static function getIpByName(string $name): string |
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{ |
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if (!self::isNetConnection()) { |
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return false; |
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} |
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if (\App\Cache::has(__METHOD__, $name)) { |
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return \App\Cache::get(__METHOD__, $name); |
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} |
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$ip = gethostbyname($name); |
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if ($ip === $name) { |
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$ip = ''; |
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} |
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return \App\Cache::save(__METHOD__, $name, $ip); |
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} |
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/** |
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* Get request id. |
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* |
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* @return string |
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*/ |
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public static function requestId(): string |
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{ |
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if (empty(self::$requestId)) { |
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self::$requestId = sprintf('%08x', abs(crc32($_SERVER['REMOTE_ADDR'] . $_SERVER['REQUEST_TIME_FLOAT'] . $_SERVER['REMOTE_PORT']))); |
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} |
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return self::$requestId; |
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} |
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} |
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