Horde_Browser::match PHP Method

    public function match($userAgent = null, $accept = null)
    {
        // Set our agent string.
        if (is_null($userAgent)) {
            if (isset($_SERVER['HTTP_USER_AGENT'])) {
                $this->_agent = trim($_SERVER['HTTP_USER_AGENT']);
            }
        } else {
            $this->_agent = $userAgent;
        }
        $this->_lowerAgent = Horde_String::lower($this->_agent);
        // Set our accept string.
        if (is_null($accept)) {
            if (isset($_SERVER['HTTP_ACCEPT'])) {
                $this->_accept = Horde_String::lower(trim($_SERVER['HTTP_ACCEPT']));
            }
        } else {
            $this->_accept = Horde_String::lower($accept);
        }
        // Check for UTF support.
        if (isset($_SERVER['HTTP_ACCEPT_CHARSET'])) {
            $this->setFeature('utf', strpos(Horde_String::lower($_SERVER['HTTP_ACCEPT_CHARSET']), 'utf') !== false);
        }
        if (empty($this->_agent)) {
            return;
        }
        $this->_setPlatform();
        // Use local scope for frequently accessed variables.
        $agent = $this->_agent;
        $lowerAgent = $this->_lowerAgent;
        if (strpos($lowerAgent, 'iemobile') !== false || strpos($lowerAgent, 'mobileexplorer') !== false || strpos($lowerAgent, 'openwave') !== false) {
            $this->setFeature('frames', false);
            $this->setFeature('javascript', false);
            $this->setQuirk('avoid_popup_windows');
            $this->setMobile(true);
            if (preg_match('|iemobile[/ ]([0-9.]+)|', $lowerAgent, $version)) {
                list($this->_majorVersion, $this->_minorVersion) = explode('.', $version[1]);
                if ($this->_majorVersion >= 7) {
                    // Windows Phone, Modern Browser
                    $this->setBrowser('msie');
                    $this->setFeature('javascript');
                    $this->setFeature('xmlhttpreq');
                    $this->setFeature('ajax');
                    $this->setFeature('dom');
                    $this->setFeature('utf');
                    $this->setFeature('rte');
                    $this->setFeature('cite');
                }
            }
        } elseif (strpos($lowerAgent, 'opera mini') !== false || strpos($lowerAgent, 'operamini') !== false) {
            $this->setBrowser('opera');
            $this->setFeature('frames', false);
            $this->setFeature('javascript');
            $this->setQuirk('avoid_popup_windows');
            $this->setMobile(true);
        } elseif (preg_match('|Opera[/ ]([0-9.]+)|', $agent, $version)) {
            $this->setBrowser('opera');
            list($this->_majorVersion, $this->_minorVersion) = explode('.', $version[1]);
            $this->setFeature('javascript');
            $this->setQuirk('no_filename_spaces');
            /* Opera Mobile reports its screen resolution in the user
             * agent strings. */
            if (preg_match('/; (120x160|240x280|240x320|320x320)\\)/', $agent)) {
                $this->setMobile(true);
            } elseif (preg_match('|Tablet|', $agent)) {
                $this->setMobile(true);
                $this->setTablet(true);
            }
            if ($this->_majorVersion >= 7) {
                if ($this->_majorVersion >= 8) {
                    $this->setFeature('xmlhttpreq');
                    $this->setFeature('javascript', 1.5);
                }
                if ($this->_majorVersion >= 9) {
                    $this->setFeature('dataurl', 4100);
                    if ($this->_minorVersion >= 5) {
                        $this->setFeature('ajax');
                        $this->setFeature('rte');
                    }
                }
                $this->setFeature('dom');
                $this->setFeature('iframes');
                $this->setFeature('accesskey');
                $this->setFeature('optgroup');
                $this->setQuirk('double_linebreak_textarea');
            }
        } elseif (strpos($lowerAgent, 'elaine/') !== false || strpos($lowerAgent, 'palmsource') !== false || strpos($lowerAgent, 'digital paths') !== false) {
            $this->setBrowser('palm');
            $this->setFeature('images', false);
            $this->setFeature('frames', false);
            $this->setFeature('javascript', false);
            $this->setQuirk('avoid_popup_windows');
            $this->setMobile(true);
        } elseif (preg_match('|MSIE ([0-9.]+)|', $agent, $version) || preg_match('|Internet Explorer/([0-9.]+)|', $agent, $version) || strpos($lowerAgent, 'trident/') !== false) {
            $this->setBrowser('msie');
            $this->setQuirk('cache_ssl_downloads');
            $this->setQuirk('cache_same_url');
            $this->setQuirk('break_disposition_filename');
            if (empty($version)) {
                // IE 11
                preg_match('|rv:(\\d+)|', $lowerAgent, $version);
            }
            if (strpos($version[1], '.') !== false) {
                list($this->_majorVersion, $this->_minorVersion) = explode('.', $version[1]);
            } else {
                $this->_majorVersion = $version[1];
                $this->_minorVersion = 0;
            }
            /* IE (< 7) on Windows does not support alpha transparency
             * in PNG images. */
            if ($this->_majorVersion < 7 && preg_match('/windows/i', $agent)) {
                $this->setQuirk('png_transparency');
            }
            /* Some Handhelds have their screen resolution in the user
             * agent string, which we can use to look for mobile
             * agents. */
            if (preg_match('/; (120x160|240x280|240x320|320x320)\\)/', $agent)) {
                $this->setMobile(true);
            }
            $this->setFeature('xmlhttpreq');
            switch ($this->_majorVersion) {
                default:
                case 11:
                case 10:
                case 9:
                case 8:
                case 7:
                    $this->setFeature('javascript', 1.4);
                    $this->setFeature('ajax');
                    $this->setFeature('dom');
                    $this->setFeature('iframes');
                    $this->setFeature('utf');
                    $this->setFeature('rte');
                    $this->setFeature('homepage');
                    $this->setFeature('accesskey');
                    $this->setFeature('optgroup');
                    if ($this->_majorVersion != 7) {
                        $this->setFeature('cite');
                        $this->setFeature('dataurl', $this->_majorVersion == 8 ? 32768 : true);
                    }
                    break;
                case 6:
                    $this->setFeature('javascript', 1.4);
                    $this->setFeature('dom');
                    $this->setFeature('iframes');
                    $this->setFeature('utf');
                    $this->setFeature('rte');
                    $this->setFeature('homepage');
                    $this->setFeature('accesskey');
                    $this->setFeature('optgroup');
                    $this->setQuirk('scrollbar_in_way');
                    $this->setQuirk('broken_multipart_form');
                    $this->setQuirk('windowed_controls');
                    break;
                case 5:
                    if ($this->getPlatform() == 'mac') {
                        $this->setFeature('javascript', 1.2);
                        $this->setFeature('optgroup');
                        $this->setFeature('xmlhttpreq', false);
                    } else {
                        // MSIE 5 for Windows.
                        $this->setFeature('javascript', 1.4);
                        $this->setFeature('dom');
                        if ($this->_minorVersion >= 5) {
                            $this->setFeature('rte');
                            $this->setQuirk('windowed_controls');
                        }
                    }
                    $this->setFeature('iframes');
                    $this->setFeature('utf');
                    $this->setFeature('homepage');
                    $this->setFeature('accesskey');
                    if ($this->_minorVersion == 5) {
                        $this->setQuirk('break_disposition_header');
                        $this->setQuirk('broken_multipart_form');
                    }
                    break;
                case 4:
                    $this->setFeature('javascript', 1.2);
                    $this->setFeature('accesskey');
                    $this->setFeature('xmlhttpreq', false);
                    if ($this->_minorVersion > 0) {
                        $this->setFeature('utf');
                    }
                    break;
                case 3:
                    $this->setFeature('javascript', 1.1);
                    $this->setQuirk('avoid_popup_windows');
                    $this->setFeature('xmlhttpreq', false);
                    break;
            }
        } elseif (preg_match('|ANTFresco/([0-9]+)|', $agent, $version)) {
            $this->setBrowser('fresco');
            $this->setFeature('javascript', 1.1);
            $this->setQuirk('avoid_popup_windows');
        } elseif (strpos($lowerAgent, 'avantgo') !== false) {
            $this->setBrowser('avantgo');
            $this->setMobile(true);
        } elseif (preg_match('|Konqueror/([0-9]+)\\.?([0-9]+)?|', $agent, $version) || preg_match('|Safari/([0-9]+)\\.?([0-9]+)?|', $agent, $version)) {
            $this->setBrowser('webkit');
            $this->setQuirk('empty_file_input_value');
            $this->setQuirk('no_hidden_overflow_tables');
            $this->setFeature('dataurl');
            if (strpos($agent, 'Mobile') !== false || strpos($agent, 'Android') !== false || strpos($agent, 'SAMSUNG-GT') !== false || (strpos($agent, 'Nokia') !== false || strpos($agent, 'Symbian') !== false) && strpos($agent, 'WebKit') !== false || strpos($agent, 'N900') !== false && strpos($agent, 'Maemo Browser') !== false || strpos($agent, 'MeeGo') !== false && strpos($agent, 'NokiaN9') !== false) {
                // WebKit Mobile
                $this->setFeature('frames', false);
                $this->setFeature('javascript');
                $this->setQuirk('avoid_popup_windows');
                $this->setMobile(true);
            }
            $this->_majorVersion = $version[1];
            if (isset($version[2])) {
                $this->_minorVersion = $version[2];
            }
            if (stripos($agent, 'Chrome/') !== false || stripos($agent, 'CriOS/') !== false) {
                // Google Chrome.
                $this->setFeature('ischrome');
                $this->setFeature('rte');
                $this->setFeature('utf');
                $this->setFeature('javascript', 1.4);
                $this->setFeature('ajax');
                $this->setFeature('dom');
                $this->setFeature('iframes');
                $this->setFeature('accesskey');
                $this->setFeature('xmlhttpreq');
                $this->setQuirk('empty_file_input_value', 0);
                if (preg_match('|Chrome/([0-9.]+)|i', $agent, $version_string)) {
                    list($this->_majorVersion, $this->_minorVersion) = explode('.', $version_string[1], 2);
                }
            } elseif (stripos($agent, 'Safari/') !== false && $this->_majorVersion >= 60) {
                // Safari.
                $this->setFeature('issafari');
                // Truly annoying - Safari did not start putting real version
                // numbers until Version 3.
                if (preg_match('|Version/([0-9.]+)|', $agent, $version_string)) {
                    list($this->_majorVersion, $this->_minorVersion) = explode('.', $version_string[1], 2);
                    $this->_minorVersion = intval($this->_minorVersion);
                    $this->setFeature('ajax');
                    $this->setFeature('rte');
                } elseif ($this->_majorVersion >= 412) {
                    $this->_majorVersion = 2;
                    $this->_minorVersion = 0;
                } else {
                    if ($this->_majorVersion >= 312) {
                        $this->_minorVersion = 3;
                    } elseif ($this->_majorVersion >= 124) {
                        $this->_minorVersion = 2;
                    } else {
                        $this->_minorVersion = 0;
                    }
                    $this->_majorVersion = 1;
                }
                $this->setFeature('utf');
                $this->setFeature('javascript', 1.4);
                $this->setFeature('dom');
                $this->setFeature('iframes');
                if ($this->_majorVersion > 1 || $this->_minorVersion > 2) {
                    // As of Safari 1.3
                    $this->setFeature('accesskey');
                    $this->setFeature('xmlhttpreq');
                }
                if ($this->_majorVersion >= 9) {
                    $this->setQuirk('empty_file_input_value', 0);
                }
            } else {
                // Konqueror.
                $this->setFeature('javascript', 1.1);
                $this->setFeature('iskonqueror');
                switch ($this->_majorVersion) {
                    case 4:
                    case 3:
                        $this->setFeature('dom');
                        $this->setFeature('iframes');
                        if ($this->_minorVersion >= 5 || $this->_majorVersion == 4) {
                            $this->setFeature('accesskey');
                            $this->setFeature('xmlhttpreq');
                        }
                        break;
                }
            }
        } elseif (preg_match('|Mozilla/([0-9.]+)|', $agent, $version)) {
            $this->setBrowser('mozilla');
            $this->setQuirk('must_cache_forms');
            list($this->_majorVersion, $this->_minorVersion) = explode('.', $version[1]);
            switch ($this->_majorVersion) {
                default:
                case 5:
                    if ($this->getPlatform() == 'win') {
                        $this->setQuirk('break_disposition_filename');
                    }
                    $this->setFeature('javascript', 1.4);
                    $this->setFeature('ajax');
                    $this->setFeature('dom');
                    $this->setFeature('accesskey');
                    $this->setFeature('optgroup');
                    $this->setFeature('xmlhttpreq');
                    $this->setFeature('cite');
                    if (preg_match('|rv:(.*)\\)|', $agent, $revision)) {
                        if (version_compare($revision[1], '1', '>=')) {
                            $this->setFeature('iframes');
                        }
                        if (version_compare($revision[1], '1.3', '>=')) {
                            $this->setFeature('rte');
                        }
                        if (version_compare($revision[1], '1.8.1', '>=')) {
                            $this->setFeature('dataurl');
                        }
                        if (version_compare($revision[1], '10.0', '>=')) {
                            $this->setFeature('utf');
                        }
                    }
                    if (stripos($agent, 'mobile') !== false || strpos($agent, 'RX-51 N900') !== false) {
                        $this->setMobile(true);
                    } elseif (stripos($agent, 'tablet') !== false) {
                        $this->setTablet(true);
                        $this->setMobile(true);
                    }
                    break;
                case 4:
                    $this->setFeature('javascript', 1.3);
                    $this->setQuirk('buggy_compression');
                    break;
                case 3:
                case 2:
                case 1:
                case 0:
                    $this->setFeature('javascript', 1);
                    $this->setQuirk('buggy_compression');
                    break;
            }
        } elseif (preg_match('|Lynx/([0-9]+)|', $agent, $version)) {
            $this->setBrowser('lynx');
            $this->setFeature('images', false);
            $this->setFeature('frames', false);
            $this->setFeature('javascript', false);
            $this->setQuirk('avoid_popup_windows');
        } elseif (preg_match('|Links \\(([0-9]+)|', $agent, $version)) {
            $this->setBrowser('links');
            $this->setFeature('images', false);
            $this->setFeature('frames', false);
            $this->setFeature('javascript', false);
            $this->setQuirk('avoid_popup_windows');
        } elseif (preg_match('|HotJava/([0-9]+)|', $agent, $version)) {
            $this->setBrowser('hotjava');
            $this->setFeature('javascript', false);
        } elseif (strpos($agent, 'UP/') !== false || strpos($agent, 'UP.B') !== false || strpos($agent, 'UP.L') !== false) {
            $this->setBrowser('up');
            $this->setFeature('html', false);
            $this->setFeature('javascript', false);
            $this->setFeature('hdml');
            $this->setFeature('wml');
            if (strpos($agent, 'GUI') !== false && strpos($agent, 'UP.Link') !== false) {
                /* The device accepts Openwave GUI extensions for WML
                 * 1.3. Non-UP.Link gateways sometimes have problems,
                 * so exclude them. */
                $this->setQuirk('ow_gui_1.3');
            }
            $this->setMobile(true);
        } elseif (strpos($agent, 'Xiino/') !== false) {
            $this->setBrowser('xiino');
            $this->setFeature('hdml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($agent, 'Palmscape/') !== false) {
            $this->setBrowser('palmscape');
            $this->setFeature('javascript', false);
            $this->setFeature('hdml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($agent, 'Nokia') !== false) {
            $this->setBrowser('nokia');
            $this->setFeature('html', false);
            $this->setFeature('wml');
            $this->setFeature('xhtml');
            $this->setMobile(true);
        } elseif (strpos($agent, 'Ericsson') !== false) {
            $this->setBrowser('ericsson');
            $this->setFeature('html', false);
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($agent, 'Grundig') !== false) {
            $this->setBrowser('grundig');
            $this->setFeature('xhtml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($agent, 'NetFront') !== false) {
            $this->setBrowser('netfront');
            $this->setFeature('xhtml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($lowerAgent, 'wap') !== false) {
            $this->setBrowser('wap');
            $this->setFeature('html', false);
            $this->setFeature('javascript', false);
            $this->setFeature('hdml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($lowerAgent, 'docomo') !== false || strpos($lowerAgent, 'portalmmm') !== false) {
            $this->setBrowser('imode');
            $this->setFeature('images', false);
            $this->setMobile(true);
        } elseif (preg_match('|BlackBerry.*?/([0-9.]+)|', $agent, $version)) {
            list($this->_majorVersion, $this->_minorVersion) = explode('.', $version[1]);
            $this->setBrowser('blackberry');
            $this->setFeature('html', false);
            $this->setFeature('javascript', false);
            $this->setFeature('hdml');
            $this->setFeature('wml');
            $this->setMobile(true);
            if ($this->_majorVersion >= 5 || $this->_majorVersion == 4 && $this->_minorVersion >= 6) {
                $this->setFeature('ajax');
                $this->setFeature('iframes');
                $this->setFeature('javascript', 1.5);
                $this->setFeature('dom');
                $this->setFeature('xmlhttpreq');
            }
        } elseif (strpos($agent, 'MOT-') !== false) {
            $this->setBrowser('motorola');
            $this->setFeature('html', false);
            $this->setFeature('javascript', false);
            $this->setFeature('hdml');
            $this->setFeature('wml');
            $this->setMobile(true);
        } elseif (strpos($lowerAgent, 'j-') !== false) {
            $this->setBrowser('mml');
            $this->setMobile(true);
        }
    }

 /**
  */
 public function match($userAgent = null, $accept = null)
 {
     parent::match($userAgent, $accept);
     try {
         $GLOBALS['injector']->getInstance('Horde_Core_Hooks')->callHook('browser_modify', 'horde', array($this));
     } catch (Horde_Exception_HookNotSet $e) {
     }
 }