Using WordPress ‘previous_post_link()’ PHP function
Displays the previous post link that is adjacent to the current post.
Date
Using WordPress ‘post_exists()’ PHP function
Determines if a post exists based on title, content, date and type.
Using Gravity Forms ‘gform_print_entry_footer’ PHP action
The 'gform_print_entry_footer' PHP filter in Gravity Forms allows developers to customize the footer of entry details.
Using Gravity Forms ‘gform_post_form_duplicated’ PHP action
The 'gform_post_form_duplicated' PHP filter in Gravity Forms allows developers to customize form behavior when a duplicate submission is attempted.