Re: Form select how to build outgroups?

http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::select

Always check the documentation...

If you would like to generate a select with optgroups, just pass data in hierarchical format. This works on multiple checkboxes and radio buttons too, but instead of optgroups wraps elements in fieldsets:

<?php
$options = array(
  'Group 1' => array(
    'Value 1' => 'Label 1',
    'Value 2' => 'Label 2'
  ),
  'Group 2' => array(
    'Value 3' => 'Label 3'
  )
);
echo $this->Form->select('field', $options);

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