Gravity Support Forums Topic: Combine custom fields to create the Post Title using pre-submission hook

Gravity Support Forums Topic: Combine custom fields to create the Post Title using pre-submission hook https://legacy.forums.gravityhelp.com/topic/combine-custom-fields-to-create-the-post-title-using-pre-submission-hook Gravity Support Forums Topic: Combine custom fields to create the Post Title using pre-submission hook en-US Mon, 20 Apr 2026 01:25:36 +0000 http://bbpress.org/?v=1.0.1 <![CDATA[Search]]> q https://legacy.forums.gravityhelp.com/search.php mpiskie on "Combine custom fields to create the Post Title using pre-submission hook" https://legacy.forums.gravityhelp.com/topic/combine-custom-fields-to-create-the-post-title-using-pre-submission-hook#post-4496 Tue, 06 Apr 2010 17:24:42 +0000 mpiskie 4496@https://legacy.forums.gravityhelp.com/ I am looking to build the 'Post Title' based on user input. I have limited PHP knowledge although I was able to write the code below. I can extract the field values using $_Post and combine them into a variable, but I cannot figure out how to write them back to the 'Post Title' field. I am using the pre-submission hook since I want the title updated before it is saved. I am hoping this is just a silly syntax problem. Can you share how to write to a calculated field value AFTER the form has been filled out and BEFORE it is posted to the database? PS: If would be awesome if I could have just dynamically combined fields in the form. Perhaps a future feature. Code: add_action("gform_pre_submission", "pre_submission_update_title"); function pre_submission_update_title($form){ //create new post title e.g. Truck from Detroit, MI to Seattle, WA (3/20/2009) $newposttitle = "Truck From: ".$_POST["input_29"].', '.$_POST["input_28"]." to ".$_POST["input_26"].", ".$_POST["input_17"]." (".$_POST["input_27"].")"; //insert new title back into form (Post Title is ID #1) foreach($form["fields"] as &$field){ if($field["id"] == "1"){ $field["value"] = $newposttitle; } } }