add pss #62

geoapi/utility/StringManager.php

@@ -37,6 +37,18 @@ class StringManager {
    public static function endsWith($haystack, $needle) {
         return (substr($haystack, -strlen($needle)) === $needle);
     }
+    
+        /**
+     * Method if the string is not a empty String (not only spaces and controlls)
+     * @param string $string
+     * @return boolean
+     */
+    public static function validSQLString($string) {
+        if (!ctype_space($string) && !ctype_cntrl($string)) {
+            return TRUE;
+        }
+        return FALSE;
+    }
 }
 
 ?>