/**
* Validate a form
* on each field you can mix many rules (with |) and some rules can contains parameter (with § as separator)
*
* @static
* @param array array of form fields
* @param string form name
* @return boolean
*/
public static function form(&$fields, $form_name = '', $method = 'post')
{
// share the array of fields in the class
self::$fields = $fields;
// share the array of data
self::$data = $method == 'post' ? $_POST : $_GET;
$e = true;
// check x4token
if (!empty($form_name) && (!isset(self::$data['x4token']) || self::$data['x4token'] != md5($_SESSION['token'] . $form_name))) {
$e = false;
$_SESSION['token'] = uniqid(rand(), TRUE);
} else {
$n = sizeof($fields);
for ($i = 0; $i < $n; $i++) {
// check errors
if (isset($fields[$i]['rule'])) {
$token = explode('|', $fields[$i]['rule']);
foreach ($token as $ii) {
// handle multiple select
$name = self::get_name($fields[$i]);
// get parameters
$tok = explode('§', $ii);
// set rule function name
$rule = '_' . $tok[0];
// if we have this validation function
if (method_exists(__CLASS__, $rule)) {
if (in_array($rule, self::$special_rules)) {
// special rules
self::$rule($fields[$i], $tok, $e, self::$data, $_FILES);
} else {
// here rules checked only if the field value is not empty
if (!empty(self::$data[$fields[$i]['name']])) {
self::$rule($fields[$i], $tok, $e, self::$data, $_FILES);
}
}
}
}
}
// assign the value
if (!in_array($fields[$i]['type'], X4Form_helper::$exclude) && (isset($fields[$i]['name']) && isset(self::$data[$fields[$i]['name']]) && !empty(self::$data[$fields[$i]['name']]))) {
switch ($fields[$i]['type']) {
case 'checkbox':
$fields[$i]['value'] = 1;
$fields[$i]['checked'] = intval(isset(self::$data[$fields[$i]['name']]));
break;
case 'mcheckbox':
$fields[$i]['checked'] = isset(self::$data[$fields[$i]['name']]) ? self::$data[$fields[$i]['name']] : array();
break;
case 'radio':
if (isset(self::$data[$fields[$i]['name']])) {
$fields[$i]['checked'] = self::$data[$fields[$i]['name']];
}
break;
default:
// check for sanitize
$fields[$i]['value'] = isset($fields[$i]['sanitize']) ? self::sanitize(self::$data[$fields[$i]['name']], $fields[$i]['sanitize']) : self::$data[$fields[$i]['name']];
break;
}
}
}
}
return $e;
}
