I've created a module which has a number of settings, one of which uses a custom field type defined within my module. The custom field essentially generates a dropdown list which is populated with data.

To decide which data should be added, though, I need to access some other parameters in the settings file. I've tried using $this->form->getValue(param) where param is the name of the field I'm trying to access, but it returns nothing.

Couldn't find anything specific in the documentation for this.

  • I assume you putting the name of the param in quotes like so ->getValue('param')
    – Lodder
    Oct 14 '15 at 19:35
  • @Lodder I am. The actual call looks like $this->form->getValue("fallBeginning") Oct 14 '15 at 19:36

You probably forgot to specify container of the form fields. Your code should be something like

$this->form->getValue('fallBeginning', 'container')

if your field has actual html code like

<input type="text" name="container[fallBeginning]" value="x">

The container value depends on your xml definition, what is the name of fields. For example

    <fields name="container">

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