Improve code Input & Model libraries
diff --git a/system/core/Input.php b/system/core/Input.php
index 7cfa4c6..07bb30b 100755
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -45,39 +45,39 @@
*
* @var string
*/
- var $ip_address = FALSE;
+ public $ip_address = FALSE;
/**
* user agent (web browser) being used by the current user
*
* @var string
*/
- var $user_agent = FALSE;
+ public $user_agent = FALSE;
/**
* If FALSE, then $_GET will be set to an empty array
*
* @var bool
*/
- var $_allow_get_array = TRUE;
+ public $_allow_get_array = TRUE;
/**
* If TRUE, then newlines are standardized
*
* @var bool
*/
- var $_standardize_newlines = TRUE;
+ public $_standardize_newlines = TRUE;
/**
* Determines whether the XSS filter is always active when GET, POST or COOKIE data is encountered
* Set automatically based on config setting
*
* @var bool
*/
- var $_enable_xss = FALSE;
+ public $_enable_xss = FALSE;
/**
* Enables a CSRF cookie token to be set.
* Set automatically based on config setting
*
* @var bool
*/
- var $_enable_csrf = FALSE;
+ protected $_enable_csrf = FALSE;
/**
* List of all HTTP request headers
*
@@ -98,8 +98,8 @@
log_message('debug', "Input Class Initialized");
$this->_allow_get_array = (config_item('allow_get_array') === TRUE);
- $this->_enable_xss = (config_item('global_xss_filtering') === TRUE);
- $this->_enable_csrf = (config_item('csrf_protection') === TRUE);
+ $this->_enable_xss = (config_item('global_xss_filtering') === TRUE);
+ $this->_enable_csrf = (config_item('csrf_protection') === TRUE);
global $SEC;
$this->security =& $SEC;
@@ -122,7 +122,6 @@
*
* This is a helper function to retrieve values from global arrays
*
- * @access protected
* @param array
* @param string
* @param bool
@@ -148,7 +147,6 @@
/**
* Fetch an item from the GET array
*
- * @access public
* @param string
* @param bool
* @return string
@@ -176,7 +174,6 @@
/**
* Fetch an item from the POST array
*
- * @access public
* @param string
* @param bool
* @return string
@@ -205,21 +202,15 @@
/**
* Fetch an item from either the GET array or the POST
*
- * @access public
* @param string The index key
* @param bool XSS cleaning
* @return string
*/
public function get_post($index = '', $xss_clean = FALSE)
{
- if ( ! isset($_POST[$index]) )
- {
- return $this->get($index, $xss_clean);
- }
- else
- {
- return $this->post($index, $xss_clean);
- }
+ return ( ! isset($_POST[$index]))
+ ? $this->get($index, $xss_clean)
+ : $this->post($index, $xss_clean);
}
// --------------------------------------------------------------------
@@ -227,7 +218,6 @@
/**
* Fetch an item from the COOKIE array
*
- * @access public
* @param string
* @param bool
* @return string
@@ -245,7 +235,6 @@
* Accepts six parameter, or you can submit an associative
* array in the first parameter containing all the values.
*
- * @access public
* @param mixed
* @param string the value of the cookie
* @param string the number of seconds until expiration
@@ -303,7 +292,6 @@
/**
* Fetch an item from the SERVER array
*
- * @access public
* @param string
* @param bool
* @return string
@@ -318,7 +306,6 @@
/**
* Fetch the IP Address
*
- * @access public
* @return string
*/
public function ip_address()
@@ -335,7 +322,7 @@
$this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
}
- elseif (! $this->server('HTTP_CLIENT_IP') AND $this->server('REMOTE_ADDR'))
+ elseif ( ! $this->server('HTTP_CLIENT_IP') AND $this->server('REMOTE_ADDR'))
{
$this->ip_address = $_SERVER['REMOTE_ADDR'];
}
@@ -354,8 +341,7 @@
if ($this->ip_address === FALSE)
{
- $this->ip_address = '0.0.0.0';
- return $this->ip_address;
+ return $this->ip_address = '0.0.0.0';
}
if (strpos($this->ip_address, ',') !== FALSE)
@@ -366,7 +352,7 @@
if ( ! $this->valid_ip($this->ip_address))
{
- $this->ip_address = '0.0.0.0';
+ return $this->ip_address = '0.0.0.0';
}
return $this->ip_address;
@@ -379,7 +365,6 @@
*
* Updated version suggested by Geert De Deckere
*
- * @access public
* @param string
* @return bool
*/
@@ -394,7 +379,7 @@
$ip_segments = explode('.', $ip);
// Always 4 segments needed
- if (count($ip_segments) != 4)
+ if (count($ip_segments) !== 4)
{
return FALSE;
}
@@ -422,7 +407,6 @@
/**
* User Agent
*
- * @access public
* @return string
*/
public function user_agent()
@@ -432,9 +416,7 @@
return $this->user_agent;
}
- $this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
-
- return $this->user_agent;
+ return $this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
}
// --------------------------------------------------------------------
@@ -444,22 +426,20 @@
*
* This function does the following:
*
- * Unsets $_GET data (if query strings are not enabled)
+ * - Unsets $_GET data (if query strings are not enabled)
+ * - Unsets all globals if register_globals is enabled
+ * - Standardizes newline characters to \n
*
- * Unsets all globals if register_globals is enabled
- *
- * Standardizes newline characters to \n
- *
- * @access private
* @return void
*/
private function _sanitize_globals()
{
// It would be "wrong" to unset any of these GLOBALS.
$protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST',
- '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
- 'system_folder', 'application_folder', 'BM', 'EXT',
- 'CFG', 'URI', 'RTR', 'OUT', 'IN');
+ '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
+ 'system_folder', 'application_folder', 'BM', 'EXT',
+ 'CFG', 'URI', 'RTR', 'OUT', 'IN'
+ );
// Unset globals for securiy.
// This is effectively the same as register_globals = off
@@ -532,7 +512,6 @@
// Sanitize PHP_SELF
$_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']);
-
// CSRF Protection check
if ($this->_enable_csrf == TRUE)
{
@@ -550,7 +529,6 @@
* This is a helper function. It escapes data and
* standardizes newline characters to \n
*
- * @access private
* @param string
* @return string
*/
@@ -592,12 +570,9 @@
}
// Standardize newlines if needed
- if ($this->_standardize_newlines == TRUE)
+ if ($this->_standardize_newlines == TRUE AND strpos($str, "\r") !== FALSE)
{
- if (strpos($str, "\r") !== FALSE)
- {
- $str = str_replace(array("\r\n", "\r", "\r\n\n"), PHP_EOL, $str);
- }
+ return str_replace(array("\r\n", "\r", "\r\n\n"), PHP_EOL, $str);
}
return $str;
@@ -612,13 +587,12 @@
* from trying to exploit keys we make sure that keys are
* only named with alpha-numeric text and a few other items.
*
- * @access private
* @param string
* @return string
*/
private function _clean_input_keys($str)
{
- if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str))
+ if ( ! preg_match('/^[a-z0-9:_\/-]+$/i', $str))
{
exit('Disallowed Key Characters.');
}
@@ -626,7 +600,7 @@
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE)
{
- $str = $this->uni->clean_string($str);
+ return $this->uni->clean_string($str);
}
return $str;
@@ -640,10 +614,8 @@
* In Apache, you can simply call apache_request_headers(), however for
* people running other webservers the function is undefined.
*
- * @access public
* @param bool XSS cleaning
- *
- * @return array
+ * @return array
*/
public function request_headers($xss_clean = FALSE)
{
@@ -658,7 +630,7 @@
foreach ($_SERVER as $key => $val)
{
- if (strncmp($key, 'HTTP_', 5) === 0)
+ if (strpos($key, 'HTTP_') === 0)
{
$headers[substr($key, 5)] = $this->_fetch_from_array($_SERVER, $key, $xss_clean);
}
@@ -684,7 +656,6 @@
*
* Returns the value of a single member of the headers class member
*
- * @access public
* @param string array key for $this->headers
* @param boolean XSS Clean or not
* @return mixed FALSE on failure, string on success
@@ -716,7 +687,6 @@
*
* Test to see if a request contains the HTTP_X_REQUESTED_WITH header
*
- * @access public
* @return boolean
*/
public function is_ajax_request()
@@ -731,12 +701,11 @@
*
* Test to see if a request was made from the command line
*
- * @access public
* @return boolean
*/
public function is_cli_request()
{
- return (php_sapi_name() == 'cli') or defined('STDIN');
+ return (php_sapi_name() === 'cli') or defined('STDIN');
}
}