Day name in a text field after selecting a date in a calendar (Date Field)

By: Angelo Galiazzi | Asked: 01/25/2023
ForumsCategory: General questionsDay name in a text field after selecting a date in a calendar (Date Field)
Angelo Galiazzi asked 1 year ago

Good Afternoon,
I´m trying to make that when a user select a day in a datepicker calendar, this, autopopulate the day name in an additional text field?
For example if the user select 01/24/2023 in the date field, the text field shoud show Tuesday.   From the support send me this code, but I can´t make it work:  

add_filter('frm_validate_field_entry', 'copy_my_field', 10, 3);

function copy_my_field($errors, $posted_field, $posted_value){

if ( $posted_field->id == 25 ) { //change 25 to the ID of the hidden field to change

$oDate = $_POST['item_meta'][77]; // change 77 to the ID of your date field $_POST['item_meta'][$posted_field->id] = strtotime($oDate);


return $errors;


Attached theres is an example. Do you know how to make it work?

Thank you so much!

2 Answers
Victor Font answered 1 year ago
I'm not sure why they gave you PHP code to copy a field. If you want this in real time when a user makes a data selection, I would do this with jQuery. See this:
Victor Font answered 1 year ago
BTW, here's a snippet you can use:

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