diff options
Diffstat (limited to 'system/libraries/User_agent.php')
-rw-r--r-- | system/libraries/User_agent.php | 174 |
1 files changed, 132 insertions, 42 deletions
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php index 9109edd0f..0ac605fa4 100644 --- a/system/libraries/User_agent.php +++ b/system/libraries/User_agent.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * User Agent Class * @@ -40,25 +38,110 @@ */ class CI_User_agent { - public $agent = NULL; + /** + * Current user-agent + * + * @var string + */ + public $agent = NULL; - public $is_browser = FALSE; - public $is_robot = FALSE; - public $is_mobile = FALSE; + /** + * Flag for if the user-agent belongs to a browser + * + * @var bool + */ + public $is_browser = FALSE; + + /** + * Flag for if the user-agent is a robot + * + * @var bool + */ + public $is_robot = FALSE; + + /** + * Flag for if the user-agent is a mobile browser + * + * @var bool + */ + public $is_mobile = FALSE; - public $languages = array(); - public $charsets = array(); + /** + * Languages accepted by the current user agent + * + * @var array + */ + public $languages = array(); + + /** + * Character sets accepted by the current user agent + * + * @var array + */ + public $charsets = array(); - public $platforms = array(); - public $browsers = array(); - public $mobiles = array(); - public $robots = array(); + /** + * List of platforms to compare against current user agent + * + * @var array + */ + public $platforms = array(); + + /** + * List of browsers to compare against current user agent + * + * @var array + */ + public $browsers = array(); + + /** + * List of mobile browsers to compare against current user agent + * + * @var array + */ + public $mobiles = array(); + + /** + * List of robots to compare against current user agent + * + * @var array + */ + public $robots = array(); - public $platform = ''; - public $browser = ''; - public $version = ''; - public $mobile = ''; - public $robot = ''; + /** + * Current user-agent platform + * + * @var string + */ + public $platform = ''; + + /** + * Current user-agent browser + * + * @var string + */ + public $browser = ''; + + /** + * Current user-agent version + * + * @var string + */ + public $version = ''; + + /** + * Current user-agent mobile name + * + * @var string + */ + public $mobile = ''; + + /** + * Current user-agent robot name + * + * @var string + */ + public $robot = ''; /** * Constructor @@ -74,15 +157,12 @@ class CI_User_agent { $this->agent = trim($_SERVER['HTTP_USER_AGENT']); } - if ( ! is_null($this->agent)) + if ( ! is_null($this->agent) && $this->_load_agent_file()) { - if ($this->_load_agent_file()) - { - $this->_compile_data(); - } + $this->_compile_data(); } - log_message('debug', "User Agent Class Initialized"); + log_message('debug', 'User Agent Class Initialized'); } // -------------------------------------------------------------------- @@ -94,7 +174,7 @@ class CI_User_agent { */ protected function _load_agent_file() { - if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php')) + if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php')) { include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'); } @@ -165,22 +245,24 @@ class CI_User_agent { /** * Set the Platform * - * @return mixed + * @return bool */ protected function _set_platform() { - if (is_array($this->platforms) AND count($this->platforms) > 0) + if (is_array($this->platforms) && count($this->platforms) > 0) { foreach ($this->platforms as $key => $val) { - if (preg_match("|".preg_quote($key)."|i", $this->agent)) + if (preg_match('|'.preg_quote($key).'|i', $this->agent)) { $this->platform = $val; return TRUE; } } } + $this->platform = 'Unknown Platform'; + return FALSE; } // -------------------------------------------------------------------- @@ -192,11 +274,11 @@ class CI_User_agent { */ protected function _set_browser() { - if (is_array($this->browsers) AND count($this->browsers) > 0) + if (is_array($this->browsers) && count($this->browsers) > 0) { foreach ($this->browsers as $key => $val) { - if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match)) + if (preg_match('|'.preg_quote($key).'.*?([0-9\.]+)|i', $this->agent, $match)) { $this->is_browser = TRUE; $this->version = $match[1]; @@ -206,6 +288,7 @@ class CI_User_agent { } } } + return FALSE; } @@ -218,11 +301,11 @@ class CI_User_agent { */ protected function _set_robot() { - if (is_array($this->robots) AND count($this->robots) > 0) + if (is_array($this->robots) && count($this->robots) > 0) { foreach ($this->robots as $key => $val) { - if (preg_match("|".preg_quote($key)."|i", $this->agent)) + if (preg_match('|'.preg_quote($key).'|i', $this->agent)) { $this->is_robot = TRUE; $this->robot = $val; @@ -230,6 +313,7 @@ class CI_User_agent { } } } + return FALSE; } @@ -242,7 +326,7 @@ class CI_User_agent { */ protected function _set_mobile() { - if (is_array($this->mobiles) AND count($this->mobiles) > 0) + if (is_array($this->mobiles) && count($this->mobiles) > 0) { foreach ($this->mobiles as $key => $val) { @@ -254,6 +338,7 @@ class CI_User_agent { } } } + return FALSE; } @@ -266,7 +351,7 @@ class CI_User_agent { */ protected function _set_languages() { - if ((count($this->languages) === 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '') + if ((count($this->languages) === 0) && ! empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $this->languages = explode(',', preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])))); } @@ -286,7 +371,7 @@ class CI_User_agent { */ protected function _set_charsets() { - if ((count($this->charsets) === 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '') + if ((count($this->charsets) === 0) && ! empty($_SERVER['HTTP_ACCEPT_CHARSET'])) { $this->charsets = explode(',', preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])))); } @@ -302,6 +387,7 @@ class CI_User_agent { /** * Is Browser * + * @param string $key * @return bool */ public function is_browser($key = NULL) @@ -318,7 +404,7 @@ class CI_User_agent { } // Check for a specific browser - return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key]; + return (isset($this->browsers[$key]) && $this->browser === $this->browsers[$key]); } // -------------------------------------------------------------------- @@ -326,6 +412,7 @@ class CI_User_agent { /** * Is Robot * + * @param string $key * @return bool */ public function is_robot($key = NULL) @@ -342,7 +429,7 @@ class CI_User_agent { } // Check for a specific robot - return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key]; + return (isset($this->robots[$key]) && $this->robot === $this->robots[$key]); } // -------------------------------------------------------------------- @@ -350,6 +437,7 @@ class CI_User_agent { /** * Is Mobile * + * @param string $key * @return bool */ public function is_mobile($key = NULL) @@ -366,7 +454,7 @@ class CI_User_agent { } // Check for a specific robot - return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key]; + return (isset($this->mobiles[$key]) && $this->mobile === $this->mobiles[$key]); } // -------------------------------------------------------------------- @@ -378,7 +466,7 @@ class CI_User_agent { */ public function is_referral() { - return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? FALSE : TRUE; + return ! empty($_SERVER['HTTP_REFERER']); } // -------------------------------------------------------------------- @@ -461,7 +549,7 @@ class CI_User_agent { */ public function referrer() { - return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']); + return empty($_SERVER['HTTP_REFERER']) ? '' : trim($_SERVER['HTTP_REFERER']); } // -------------------------------------------------------------------- @@ -503,11 +591,12 @@ class CI_User_agent { /** * Test for a particular language * + * @param string $lang * @return bool */ public function accept_lang($lang = 'en') { - return (in_array(strtolower($lang), $this->languages(), TRUE)); + return in_array(strtolower($lang), $this->languages(), TRUE); } // -------------------------------------------------------------------- @@ -515,14 +604,15 @@ class CI_User_agent { /** * Test for a particular character set * + * @param string $charset * @return bool */ public function accept_charset($charset = 'utf-8') { - return (in_array(strtolower($charset), $this->charsets(), TRUE)); + return in_array(strtolower($charset), $this->charsets(), TRUE); } } /* End of file User_agent.php */ -/* Location: ./system/libraries/User_agent.php */ +/* Location: ./system/libraries/User_agent.php */
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