• jdorner

• in reply to: Multiple Select value not saved
• October 5, 2017 at 5:15 am

You should use update_field and pass all the selected values in an array

// save a checkbox or select value
$field_key = "field_1234567";
$value = array("red", "blue", "yellow");
update_field( $field_key, $value, $post_id );

https://www.advancedcustomfields.com/resources/update_field/