added helper functions to misc for alphanumeric and numeric

degroat · Sep 16, 2014 · ea9d3ad · ea9d3ad
1 parent 434e708
commit ea9d3ad
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/misc.php b/misc.php
@@ -20,8 +20,10 @@ public static function user_ip()
     public static function reindex($array, $field)
     {
         $new_array = array();
+        $array = (array) $array;
         foreach($array as $a)
         {
+            $a = (array) $a;
             $new_array[$a[$field]] = $a;
         }
         return $new_array;
@@ -38,6 +40,16 @@ public static function get_between($string, $before, $after, $trim_whitespace =
         }
         return $result;
     }
+
+    public static function alphanumeric($string)
+    {
+        return preg_replace("/[^A-Za-z0-9 ]/", '', $string);
+    }
+
+    public static function numeric($string)
+    {
+        return preg_replace("/(^\s+)|(\s+$)/us", "", preg_replace("/[^0-9\.]/", '', $string));
+    }
 }
 
 ?>