#1792:Special characters in inputs not supported across the CRM

data/CRMEntity.php

@@ -3125,6 +3125,7 @@ class TrackableObject implements ArrayAccess, IteratorAggregate {
 	}
 
 	function offsetSet($key, $value) {
+            if(is_array($value)) $value = empty($value) ? "" : $value[0];
 		if($this->tracking && $this->trackingEnabled) {
 			$olderValue = $this->offsetGet($key);
 			// decode_html only expects string

includes/http/Request.php

@@ -72,13 +72,8 @@ class Vtiger_Request implements ArrayAccess {
 			}
 		}
 		if($isJSON) {
-			$oldValue = Zend_Json::$useBuiltinEncoderDecoder;
-			Zend_Json::$useBuiltinEncoderDecoder = false;
 			$decodeValue = json_decode($value, true);
-			if(isset($decodeValue)) {
-				$value = $decodeValue;
-			}
-			Zend_Json::$useBuiltinEncoderDecoder  = $oldValue;
+                        $value = json_last_error() ? $value : $decodeValue;
 		}
 
         //Handled for null because vtlib_purify returns empty string

modules/Vtiger/handlers/CheckDuplicateHandler.php

@@ -139,6 +139,7 @@ class CheckDuplicateHandler extends VTEventHandler {
 
 						$fieldValue = $uniqueFieldsData[$fieldName];
 						if (isset($fieldValue)) {
+                                                        if(is_array($fieldValue)) $fieldValue = empty($fieldValue) ? "" : $fieldValue;
 							array_push($conditions, "$fieldTableName.$fieldColumnName = ?");
 						} else {
 							$fieldValue = '';