diff options
Diffstat (limited to 'system/core/Input.php')
| -rw-r--r-- | system/core/Input.php | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/system/core/Input.php b/system/core/Input.php index 8d491e055..ffe7b4d27 100644 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -149,21 +149,59 @@ class CI_Input { * @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 @@ class CI_Input { * * @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 @@ class CI_Input { // 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 @@ class CI_Input { * * @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 @@ class CI_Input { // 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 @@ class CI_Input { * * @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 @@ class CI_Input { * * @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); } // -------------------------------------------------------------------- |