conditionallay showin/hiding fields

Question

I have an Array "teiln_dat" with 0 to 2 Elements like "yyyy-mm-dd".

I want to show or hide a further field depending on the condition that "teiln_dat" has 2 Elements.

I tried with a php104 as an Event switcher:

if (isset($this->data['teiln_dat']) && is_array($this->data['teiln_dat']) && count($this->data['teiln_dat']) === 2) {    return 'yes';} else {    return 'no';}

but seems not to work.Is there a better solution that works in the browser or likely a JSsript?

Max_admin · Accepted Answer

You can use the PHP action with the Events behavior directly and place the other field in the "yes" event

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conditionallay showin/hiding fields