Fatal error: Uncaught TypeError: array_walk(): Argument #2 ($callback) must be a valid callback, function "clearString" not found or invalid function name in /home/magik/public_html/nucleo/controllers/class/class.constructor.php:19 Stack trace: #0 /home/magik/public_html/nucleo/controllers/class/class.constructor.php(19): array_walk(Array, 'clearString') #1 /home/magik/public_html/index.php(14): CONSTRUCTOR->__construct() #2 {main} thrown in /home/magik/public_html/nucleo/controllers/class/class.constructor.php on line 19