Fatal error: Uncaught TypeError: array_walk(): Argument #2 ($callback) must be a valid callback, function "limpiar_cadena" not found or invalid function name in /home/bpteknet/public_html/nucleo/controler/class/class-constructor.php:54 Stack trace: #0 /home/bpteknet/public_html/nucleo/controler/class/class-constructor.php(54): array_walk(Array, 'limpiar_cadena') #1 /home/bpteknet/public_html/index.php(15): CONSTRUCTOR->__construct() #2 {main} thrown in /home/bpteknet/public_html/nucleo/controler/class/class-constructor.php on line 54