Add ordering reads in dblayer

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1222 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayer.php

@@ -106,8 +106,10 @@ class dblayer extends PDO
       operator and the associated select value
       $select = array (array ($key, $val, $operator))
       $key=>column, $val=>value to found, $operator=>'LIKE', =...
+      $order = array (array ($key, $orientation))
+      $key=>column, $orientation=ASC/DESC
     */
-  function read ($select=null)
+  function read ($select=null, $order=null)
   {
     if ($this->db === null)
       throw new Exception ("Database not connected");
@@ -127,6 +129,21 @@ class dblayer extends PDO
       }
     }
 
+    if ($order !== null)
+    {
+      $req .= " ORDER BY ";
+      foreach ($order as $n=>$o)
+      {
+        if ($n > 0)
+         $req .= ",";
+        $req .= $o[0];
+        if (isset ($o[1]) && $o[1] === "DESC")
+          $req .= " DESC";
+        else
+          $req .= " ASC";
+      }
+    }
+
     if ($this->debug) echo "DEBUG : $req\n";
     $st = $this->db->prepare ($req);
     if ($select !== NULL)