1 files changed, 80 insertions, 0 deletions
diff --git a/Library/ArrayExt.php b/Library/ArrayExt.php
new file mode 100755
index 0000000..2b02c9e
--- /dev/null
+++ b/Library/ArrayExt.php
@@ -0,0 +1,80 @@
+<?php
+
+// EasyGiant is a PHP framework for creating and managing dynamic content
+//
+// Copyright (C) 2009 - 2011  Antonio Gallo
+// See COPYRIGHT.txt and LICENSE.txt.
+//
+// This file is part of EasyGiant
+//
+// EasyGiant is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// EasyGiant is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EasyGiant.  If not, see <http://www.gnu.org/licenses/>.
+
+if (!defined('EG')) die('Direct access not allowed!');
+
+//class to manage arrays
+class ArrayExt { 
+
+	public $errorString = null; //string containing the list fields not found
+	public $errorsNumb = null; //numbers of errors
+
+	//get the subset of the associative array $associativeArray defined by the keys in the string $keyString (keys separated by comma)
+	public function subset($associativeArray,$keyString,$func = 'none') {
+		if (!in_array($func,explode(',',Params::$allowedSanitizeFunc))) {
+			throw new Exception('"'.$func. '" argument not allowed in '.__METHOD__.' method');
+		}
+		$tempArray = array();
+		if (strcmp($keyString,'') !== 0) {
+			$keyArray=explode(',',$keyString);
+			for ($i = 0; $i < count($keyArray); $i++)
+			{
+				$temp = array();
+				//extract the function after the colon
+				if (strstr($keyArray[$i],':')) {
+					$temp = explode(':',$keyArray[$i]);
+				} else {
+					$temp[0] = $keyArray[$i];
+					$temp[1] = 'none';
+				}
+				//exception
+				if (!in_array($temp[1],explode(',',Params::$allowedSanitizeFunc))) {
+					throw new Exception('"'.$temp[1]. '" function not allowed');
+				}
+				if (array_key_exists($temp[0],$associativeArray)) {
+					$tempArray[$temp[0]] = call_user_func($temp[1],$associativeArray[$temp[0]]);
+				} else {
+					$tempArray[$temp[0]] = '';
+				}
+			}
+		}
+		return call_user_func($func.'Deep',$tempArray); //clean the array values
+	}
+
+	//exctract the complementary subset from an associative array ($associativeArray) of the subset identified by the keys $keyString
+	public function subsetComplementary($associativeArray,$keyString,$func = 'none') {
+		if (!in_array($func,explode(',',Params::$allowedSanitizeFunc))) {
+			throw new Exception('"'.$func. '" argument not allowed in '.__METHOD__.' method');
+		}
+		$keyArray=explode(',',$keyString);
+		$complementaryKeyArray = array();
+		$keys = array_keys($associativeArray);
+		foreach ($keys as $key) {
+			if (!in_array($key,$keyArray)) {
+				$complementaryKeyArray[] = $key;
+			}
+		}
+		$complementaryKeyString = implode(',',$complementaryKeyArray);
+		return $this->subset($associativeArray,$complementaryKeyString,$func);
+	}
+
+}