diff options
Diffstat (limited to 'system/core/Input.php')
| -rw-r--r-- | system/core/Input.php | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/system/core/Input.php b/system/core/Input.php index 6ee132005..d707fe25c 100644 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -153,53 +153,38 @@ class CI_Input { */ protected function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE) { - $value = NULL; - if (isset($array[$index])) { $value = $array[$index]; } - elseif(preg_match('/\[[^]]*\]$/', $index)) // Does the index contain array notation + elseif (($count = preg_match_all('/(?:^[^\[]+)|\[[^]]*\]/', $index, $matches)) > 1) // Does the index contain array 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, $matches)) + for ($i = 0; $i < $count; $i++) { - sscanf($index, '%[^[][', $key); - for ($i = 0, $c = count($matches[0]); $i < $c; $i++) + $key = trim($matches[0][$i], '[]'); + if($key === '') // The array notation will return the value as array { - 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 - { - $container = array(); - break; - } + break; } - - // Check if the deepest container has the field - if(isset($container[$key])) + if (isset($container[$key])) + { + $value = $container = $container[$key]; + } + else { - $value = $container[$key]; + return NULL; } } } - - if ($xss_clean === TRUE) + else { - return $this->security->xss_clean($value); + return NULL; } - return $value; + return ($xss_clean === TRUE) + ? $this->security->xss_clean($value) + : $value; } // -------------------------------------------------------------------- |