Added array notation for keys in Input library
diff --git a/system/core/Input.php b/system/core/Input.php
index 8d491e0..ffe7b4d 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -149,21 +149,59 @@
* @param array &$array $_GET, $_POST, $_COOKIE, $_SERVER, etc.
* @param string $index Index for item to be fetched from $array
* @param bool $xss_clean Whether to apply XSS filtering
+ * @param bool $recurse Whether to recurse into arrays via nested keys
* @return mixed
*/
- protected function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE)
+ protected function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE, $recurse = FALSE)
{
- if ( ! isset($array[$index]))
+ $value = NULL;
+
+ if (isset($array[$index]))
{
- return NULL;
+ $value = $array[$index];
+ }
+ else if($recurse)
+ {
+ // We couldn't find the $field as a simple key, so try the nested notation
+ $key = $index;
+ $container = $array;
+
+ // Test if the $index is an array name, and try to obtain the final index
+ if (preg_match_all('/\[(.*?)\]/', $index, $matches))
+ {
+ sscanf($index, '%[^[][', $key);
+ for ($i = 0, $c = count($matches[0]); $i < $c; $i++)
+ {
+ if($matches[1][$i] === '') // The array notation will return the value as array
+ {
+ break;
+ }
+ if (isset($container[$key]))
+ {
+ $container = $container[$key];
+ $key = $matches[1][$i];
+ }
+ else
+ {
+ $container = array();
+ break;
+ }
+ }
+
+ // Check if the deepest container has the field
+ if(isset($container[$key]))
+ {
+ $value = $container[$key];
+ }
+ }
}
if ($xss_clean === TRUE)
{
- return $this->security->xss_clean($array[$index]);
+ return $this->security->xss_clean($value);
}
- return $array[$index];
+ return $value;
}
// --------------------------------------------------------------------
@@ -173,9 +211,10 @@
*
* @param string $index Index for item to be fetched from $_GET
* @param bool $xss_clean Whether to apply XSS filtering
+ * @param bool $recurse Whether to recurse into arrays via nested keys
* @return mixed
*/
- public function get($index = NULL, $xss_clean = FALSE)
+ public function get($index = NULL, $xss_clean = FALSE, $recurse = FALSE)
{
// Check if a field has been provided
if ($index === NULL)
@@ -190,12 +229,12 @@
// loop through the full _GET array
foreach (array_keys($_GET) as $key)
{
- $get[$key] = $this->_fetch_from_array($_GET, $key, $xss_clean);
+ $get[$key] = $this->_fetch_from_array($_GET, $key, $xss_clean, $recurse);
}
return $get;
}
- return $this->_fetch_from_array($_GET, $index, $xss_clean);
+ return $this->_fetch_from_array($_GET, $index, $xss_clean, $recurse);
}
// --------------------------------------------------------------------
@@ -205,9 +244,10 @@
*
* @param string $index Index for item to be fetched from $_POST
* @param bool $xss_clean Whether to apply XSS filtering
+ * @param bool $recurse Whether to recurse into arrays via nested keys
* @return mixed
*/
- public function post($index = NULL, $xss_clean = FALSE)
+ public function post($index = NULL, $xss_clean = FALSE, $recurse = FALSE)
{
// Check if a field has been provided
if ($index === NULL)
@@ -222,12 +262,12 @@
// Loop through the full _POST array and return it
foreach (array_keys($_POST) as $key)
{
- $post[$key] = $this->_fetch_from_array($_POST, $key, $xss_clean);
+ $post[$key] = $this->_fetch_from_array($_POST, $key, $xss_clean, $recurse);
}
return $post;
}
- return $this->_fetch_from_array($_POST, $index, $xss_clean);
+ return $this->_fetch_from_array($_POST, $index, $xss_clean, $recurse);
}
// --------------------------------------------------------------------
@@ -237,13 +277,14 @@
*
* @param string $index Index for item to be fetched from $_POST or $_GET
* @param bool $xss_clean Whether to apply XSS filtering
+ * @param bool $recurse Whether to recurse into arrays via nested keys
* @return mixed
*/
- public function get_post($index = '', $xss_clean = FALSE)
+ public function get_post($index = '', $xss_clean = FALSE, $recurse = FALSE)
{
return isset($_POST[$index])
- ? $this->post($index, $xss_clean)
- : $this->get($index, $xss_clean);
+ ? $this->post($index, $xss_clean, $recurse)
+ : $this->get($index, $xss_clean, $recurse);
}
// --------------------------------------------------------------------
@@ -253,11 +294,12 @@
*
* @param string $index Index for item to be fetched from $_COOKIE
* @param bool $xss_clean Whether to apply XSS filtering
+ * @param bool $recurse Whether to recurse into arrays via nested keys
* @return mixed
*/
- public function cookie($index = '', $xss_clean = FALSE)
+ public function cookie($index = '', $xss_clean = FALSE, $recurse = FALSE)
{
- return $this->_fetch_from_array($_COOKIE, $index, $xss_clean);
+ return $this->_fetch_from_array($_COOKIE, $index, $xss_clean, $recurse);
}
// --------------------------------------------------------------------