summaryrefslogtreecommitdiffstats
path: root/system/libraries/User_agent.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/libraries/User_agent.php')
-rw-r--r--system/libraries/User_agent.php178
1 files changed, 134 insertions, 44 deletions
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index cd644c00d..ff596f04b 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -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;
+
+ /**
+ * 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;
+
+ /**
+ * 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();
+
+ /**
+ * 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();
+
+ /**
+ * Current user-agent platform
+ *
+ * @var string
+ */
+ public $platform = '';
- public $is_browser = FALSE;
- public $is_robot = FALSE;
- public $is_mobile = FALSE;
+ /**
+ * Current user-agent browser
+ *
+ * @var string
+ */
+ public $browser = '';
- public $languages = array();
- public $charsets = array();
+ /**
+ * Current user-agent version
+ *
+ * @var string
+ */
+ public $version = '';
- public $platforms = array();
- public $browsers = array();
- public $mobiles = array();
- public $robots = array();
+ /**
+ * Current user-agent mobile name
+ *
+ * @var string
+ */
+ public $mobile = '';
- public $platform = '';
- public $browser = '';
- public $version = '';
- public $mobile = '';
- public $robot = '';
+ /**
+ * 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 = $val;
@@ -230,6 +313,7 @@ class CI_User_agent {
}
}
}
+
return FALSE;
}
@@ -242,11 +326,11 @@ class CI_User_agent {
*/
protected function _set_mobile()
{
- if (is_array($this->mobiles) AND count($this->mobiles) > 0)
+ if (is_array($this->mobiles) && count($this->mobiles) > 0)
{
foreach ($this->mobiles as $key => $val)
{
- if (FALSE !== (strpos(strtolower($this->agent), $key)))
+ if (FALSE !== (stripos($this->agent, $key)))
{
$this->is_mobile = TRUE;
$this->mobile = $val;
@@ -254,6 +338,7 @@ class CI_User_agent {
}
}
}
+
return FALSE;
}
@@ -266,7 +351,7 @@ class CI_User_agent {
*/
protected function _set_languages()
{
- if ((count($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 */ \ No newline at end of file