Bug fix

Author: Pechynho

composer.json

@@ -10,7 +10,8 @@
   ],
   "require": {
     "php": "^5.6",
-    "pechynho/php-utils": "dev-old-php@dev"
+    "pechynho/php-utils": "dev-old-php@dev",
+    "ext-pdo": "*"
   },
   "autoload": {
     "psr-4": {

src/DbWrap.php

@@ -281,17 +281,8 @@ public function iterate($table, $criteria, $orderBy = null, $batchSize = 500)
 			throw new InvalidArgumentException('Parameter $batchSize has to be NULL or an integer.');
 		}
 		$query = "SELECT * FROM $table ";
-		$this->appendCriteriaToQuery($query, $criteria);
-		if (!empty($orderBy))
-		{
-			$query .= "ORDER BY ";
-			foreach ($orderBy as $column => $direction)
-			{
-				$query .= "`$column` $direction, ";
-			}
-			$query = Strings::substring($query, 0, Strings::length($query) - 2);
-			$query .= " ";
-		}
+		$query = $this->appendCriteriaToQuery($query, $criteria);
+		$query = $this->appendOrderByToQuery($query, $orderBy);
 		return $this->iterateQuery($query, $criteria, $batchSize);
 	}