Some optimizations & polishing following PR #3381

1 files changed, 5 insertions, 14 deletions

diff --git a/system/core/Input.php b/system/core/Input.php
index 11b2e94e0..d1353e9dc 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -156,32 +156,23 @@ class CI_Input {
 	 */
 	protected function _fetch_from_array(&$array, $index = NULL, $xss_clean = NULL)
 	{
-		// If $index is NULL, it means that the whole $array is requested
-		if ($index === NULL)
-		{
-			$output = array();
-			foreach (array_keys($array) as $key)
-			{
-				$output[$key] = $this->_fetch_from_array($array, $key, $xss_clean);
-			}
+		is_bool($xss_clean) OR $xss_clean = $this->_enable_xss;
 
-			return $output;
-		}
+		// If $index is NULL, it means that the whole $array is requested
+		isset($index) OR $index = array_keys($array);
 
 		// allow fetching multiple keys at once
 		if (is_array($index))
 		{
 			$output = array();
-			foreach ($index as $var)
+			foreach (array_keys($array) as $key)
 			{
-				$output[$var] = $this->_fetch_from_array($array, $var, $xss_clean);
+				$output[$key] = $this->_fetch_from_array($array, $key, $xss_clean);
 			}
 
 			return $output;
 		}
 
-		is_bool($xss_clean) OR $xss_clean = $this->_enable_xss;
-
 		if (isset($array[$index]))
 		{
 			$value = $array[$index];