ConfigController.php

function edit() {
if (!empty($this->data)) {
  foreach ($this->data['Config'] as $key => $value) {
    foreach ($value as $fieldName => $fieldValue) {
      $id = intval($key);
      $this->Config->id = $id;
      $this->Config->read(); // Removing this has no affect
      $this->Config->saveField($fieldName, $fieldValue, array('validate' => false, 'callbacks' => false));
      $this->Config->create(); // Removing this has no affect
    }
  }
}
}

gistfile1.txt

1  SELECT COUNT(*) AS `count` FROM `zm`.`Config` AS `Config` WHERE `Config`.`Id` = 109		1	1	0
2	SELECT `Config`.`Id`, `Config`.`Name`, `Config`.`Value`, `Config`.`Type`, `Config`.`DefaultValue`, `Config`.`Hint`, `Config`.`Pattern`, `Config`.`Format`, `Config`.`Prompt`, `Config`.`Help`, `Config`.`Category`, `Config`.`Readonly`, `Config`.`Requires` FROM `zm`.`Config` AS `Config` WHERE `Config`.`Id` = 110 LIMIT 1		1	1	0
3	SELECT COUNT(*) AS `count` FROM `zm`.`Config` AS `Config` WHERE `Config`.`Id` = 110		1	1	0
4	SELECT `Config`.`Id`, `Config`.`Name`, `Config`.`Value`, `Config`.`Type`, `Config`.`DefaultValue`, `Config`.`Hint`, `Config`.`Pattern`, `Config`.`Format`, `Config`.`Prompt`, `Config`.`Help`, `Config`.`Category`, `Config`.`Readonly`, `Config`.`Requires` FROM `zm`.`Config` AS `Config` WHERE `Config`.`Id` = 112 LIMIT 1		1	1	0
5	SELECT COUNT(*) AS `count` FROM `zm`.`Config` AS `Config` WHERE `Config`.`Id` = 112		1	1	0