diff --git a/dev/dolibarr_changes.txt b/dev/dolibarr_changes.txt
index d8861154f9e..5bad55fd4d2 100644
--- a/dev/dolibarr_changes.txt
+++ b/dev/dolibarr_changes.txt
@@ -8,6 +8,15 @@ ALL:
 Check "@CHANGE"
 
 
+PrestaShopWebservice:
+---------------------
+Replace
+	$params = array('filter', 'display', 'sort', 'limit', 'id_shop', 'id_group_shop');
+With
+	$params = array('filter', 'display', 'sort', 'limit', 'id_shop', 'id_group_shop', 'date');
+
+
+
 CKEDITOR (4.6.2):
 -----------------
 * In ckeditor/ckeditor/contents.css
diff --git a/htdocs/admin/dolistore/class/PSWebServiceLibrary.class.php b/htdocs/admin/dolistore/class/PSWebServiceLibrary.class.php
index a91ff8e8efa..dfd3f3f36c1 100644
--- a/htdocs/admin/dolistore/class/PSWebServiceLibrary.class.php
+++ b/htdocs/admin/dolistore/class/PSWebServiceLibrary.class.php
@@ -46,7 +46,7 @@ class PrestaShopWebservice
 
 	/** @var array compatible versions of PrestaShop Webservice */
 	const PSCOMPATIBLEVERSIONMIN = '1.4.0.0';
-	const PSCOMPATIBLEVERSIONMAX = '1.6.99.99';
+	const PSCOMPATIBLEVERSIONMAX = '1.7.99.99';
 
 
 	/**
@@ -311,7 +311,9 @@ class PrestaShopWebservice
 			if (isset($options['id']))
 				$url .= '/'.$options['id'];
 
-			$params = array('filter', 'display', 'sort', 'limit', 'id_shop', 'id_group_shop');
+			// @CHANGE LDR
+			//$params = array('filter', 'display', 'sort', 'limit', 'id_shop', 'id_group_shop');
+			$params = array('filter', 'display', 'sort', 'limit', 'id_shop', 'id_group_shop', 'date');
 			foreach ($params as $p)
 				foreach ($options as $k => $o)
 					if (strpos($k, $p) !== false)
@@ -390,6 +392,47 @@ class PrestaShopWebservice
 		self::checkStatusCode($request['status_code']);// check the response validity
 		return self::parseXML($request['response']);
 	}
+
+	/**
+	 * Delete (DELETE) a resource.
+	 * Unique parameter must take : <br><br>
+	 * 'resource' => Resource name<br>
+	 * 'id' => ID or array which contains IDs of a resource(s) you want to delete<br><br>
+	 * <code>
+	 * <?php
+	 * require_once('./PrestaShopWebservice.php');
+	 * try
+	 * {
+	 * $ws = new PrestaShopWebservice('http://mystore.com/', 'ZQ88PRJX5VWQHCWE4EE7SQ7HPNX00RAJ', false);
+	 * $xml = $ws->delete(array('resource' => 'orders', 'id' => 1));
+	 *	// Following code will not be executed if an exception is thrown.
+	 * 	echo 'Successfully deleted.';
+	 * }
+	 * catch (PrestaShopWebserviceException $ex)
+	 * {
+	 * 	echo 'Error : '.$ex->getMessage();
+	 * }
+	 * ?>
+	 * </code>
+	 * @param array $options Array representing resource to delete.
+	 */
+	public function delete($options)
+	{
+	    if (isset($options['url']))
+	        $url = $options['url'];
+	        elseif (isset($options['resource']) && isset($options['id']))
+	        if (is_array($options['id']))
+	            $url = $this->url.'/api/'.$options['resource'].'/?id=['.implode(',', $options['id']).']';
+	            else
+	                $url = $this->url.'/api/'.$options['resource'].'/'.$options['id'];
+	                if (isset($options['id_shop']))
+	                    $url .= '&id_shop='.$options['id_shop'];
+	                    if (isset($options['id_group_shop']))
+	                        $url .= '&id_group_shop='.$options['id_group_shop'];
+	                        $request = self::executeRequest($url, array(CURLOPT_CUSTOMREQUEST => 'DELETE'));
+	                        self::checkStatusCode($request['status_code']);// check the response validity
+	                        return true;
+	}
 }
 
 /**