Minor style changes and optimizations to the User_agent library
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index 9109edd..b8e0d37 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* User Agent Class
*
@@ -74,15 +72,12 @@
$this->agent = trim($_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();
- }
+ $this->_compile_data();
}
- log_message('debug', "User Agent Class Initialized");
+ log_message('debug', 'User Agent Class Initialized');
}
// --------------------------------------------------------------------
@@ -94,7 +89,7 @@
*/
protected function _load_agent_file()
{
- if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
+ if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php');
}
@@ -165,22 +160,24 @@
/**
* Set the Platform
*
- * @return mixed
+ * @return bool
*/
protected function _set_platform()
{
- if (is_array($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;
}
}
}
+
$this->platform = 'Unknown Platform';
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -192,11 +189,11 @@
*/
protected function _set_browser()
{
- if (is_array($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 = $match[1];
@@ -206,6 +203,7 @@
}
}
}
+
return FALSE;
}
@@ -218,11 +216,11 @@
*/
protected function _set_robot()
{
- if (is_array($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 = $val;
@@ -230,6 +228,7 @@
}
}
}
+
return FALSE;
}
@@ -242,7 +241,7 @@
*/
protected function _set_mobile()
{
- if (is_array($this->mobiles) AND count($this->mobiles) > 0)
+ if (is_array($this->mobiles) && count($this->mobiles) > 0)
{
foreach ($this->mobiles as $key => $val)
{
@@ -254,6 +253,7 @@
}
}
}
+
return FALSE;
}
@@ -266,7 +266,7 @@
*/
protected function _set_languages()
{
- if ((count($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 +286,7 @@
*/
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']))));
}
@@ -318,7 +318,7 @@
}
// 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]);
}
// --------------------------------------------------------------------
@@ -342,7 +342,7 @@
}
// 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]);
}
// --------------------------------------------------------------------
@@ -366,7 +366,7 @@
}
// 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 +378,7 @@
*/
public function is_referral()
{
- return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? FALSE : TRUE;
+ return ! empty($_SERVER['HTTP_REFERER']);
}
// --------------------------------------------------------------------
@@ -461,7 +461,7 @@
*/
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']);
}
// --------------------------------------------------------------------
@@ -507,7 +507,7 @@
*/
public function accept_lang($lang = 'en')
{
- return (in_array(strtolower($lang), $this->languages(), TRUE));
+ return in_array(strtolower($lang), $this->languages(), TRUE);
}
// --------------------------------------------------------------------
@@ -519,10 +519,10 @@
*/
public function accept_charset($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 */
\ No newline at end of file