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<?php

/**
 * Mobile Detect
 *
 * @license    http://www.opensource.org/licenses/mit-license.php The MIT License
 * @version    SVN: $Id: Mobile_Detect.php 3 2009-05-21 13:06:28Z vic.stanciu $
 * @version    SVN: $Id: Mobile_Detect.php 3 2011-04-19 18:44:28Z sjevsejev $
 */

class Mobile_Detect {

protected $accept;
    protected $userAgent;

protected $isMobile     = false;
    protected $isAndroid    = null;
    protected $isBlackberry = null;
    protected $isIphone     = null;
    protected $isIpad       = null;
    protected $isOpera      = null;
    protected $isPalm       = null;
    protected $isWindows    = null;
    protected $isGeneric    = null;

public function __construct() {
        $this->userAgent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
        $this->accept    = isset( $_SERVER['HTTP_ACCEPT'] ) ? $_SERVER['HTTP_ACCEPT'] : '';

if (isset($_SERVER['HTTP_X_WAP_PROFILE'])|| isset($_SERVER['HTTP_PROFILE'])) {
            $this->isMobile = true;
        } elseif (strpos($this->accept,'text/vnd.wap.wml') > 0 || strpos($this->accept,'application/vnd.wap.xhtml+xml') > 0) {
            $this->isMobile = true;
        } else {
            foreach ($this->devices as $device => $regexp) {
                if ($this->isDevice($device)) {
                    $this->isMobile = true;
                }
            }
        }
    }

/**
     * Overloads isAndroid() | isBlackberry() | isOpera() | isPalm() | isWindows() | isGeneric() through isDevice()
     *
     * @param string $name
     * @param array $arguments
     * @return bool
     */
    public function __call($name, $arguments) {
        $device = strtolower(substr($name, 2));
        if ($name == "is" . ucfirst($device)) {
            return $this->isDevice($device);
        } else {
            trigger_error("Method $name not defined", E_USER_ERROR);
        }
    }

/**
     * Returns true if any type of mobile device detected, including special ones
     * @return bool
     */
    public function isMobile() {
        return $this->isMobile;
    }

protected function isDevice($device) {
        $var    = "is" . ucfirst($device);
        $return = $this->$var === null ? (bool) preg_match("/" . $this->devices[$device] . "/i", $this->userAgent) : $this->$var;

if ($device != 'generic' && $return == true) {
            $this->isGeneric = false;
        }

return $return;
    }
}