Gravity Forms Track Who Created and Modified Forms

gforms_track_created_modified_by.php

<?php 
/**
 * Track who created and modified Gravity Forms
 * Updates the form object with 'created_by' on first form save.
 * Updates the form object with 'date_modified' and 'modified_by' on form saves thereafter
 * Adds a "Log" column to the forms list table
 */

// Exit if accessed directly.
if ( !defined( 'ABSPATH' ) ) {
	exit;
}


/**
 * Initiate the class
 */
new MY_GF_CLASS();


/**
 * The class.
 */
class MY_GF_CLASS {

    /**
     * Constructor
     */
    public function __construct() {
        // Save modified on form save
        add_action( 'gform_after_save_form', [ $this, 'log_form_saved' ], 10, 2 );

        // Add columns to the forms list        
        add_filter( 'gform_form_list_columns', [ $this, 'forms_columns' ], 10, 1 );
        add_action( 'gform_form_list_column_log', [ $this, 'forms_column_content' ] );
    } // End __construct()

  
    /**
     * Add who and when form was saved
     *
     * @param array $form
     * @param boolean $is_new
     * @return void
     */
    public function log_form_saved( $form, $is_new ) {
        // Get the current user
        $user_id = get_current_user_id();
        
        // Fields to update
        if ( $is_new ) {
            $form[ 'created_by' ] = $user_id;
            // date_created already exists in form object
        } else {
            $form[ 'modified_by' ] = $user_id;
            $form[ 'date_modified' ] = date( 'Y-m-d H:i:s' );
        }
	    
	// Gotta make it active or it will make it inactive by default
        $form[ 'is_active' ] = true;

        // Update the form meta
        GFAPI::update_form( $form );
    } // End log_form_saved()


    /**
     * Forms columns
     *
     * @param array $columns
     * @return array
     */
    public function forms_columns( $columns ) {
        $columns = array_merge( $columns, [
            'log' => esc_html__( 'Log', 'gravityforms' )
        ] );
        return $columns;
    } // End forms_columns()


    /**
     * Forms column content
     *
     * @param object $form
     * @return void
     */
    public function forms_column_content( $form ) {
        // Actions
        $actions = [];

        // Get the full form object
        $form = GFAPI::get_form( $form->id );
        
        // Created by
        if ( isset( $form[ 'created_by' ] ) ) {
            $created_by_id = absint( $form[ 'created_by' ] );
            $created_by_user = get_user_by( 'ID', $created_by_id );
            $incl_created_by = ' by '.$created_by_user->display_name;
        } else {
            $incl_created_by = '';
        }
        $actions[] = 'Created on '.date( 'n/j/Y', strtotime( $form[ 'date_created' ] ) ).$incl_created_by;

        // Modified by
        if ( isset( $form[ 'date_modified' ] ) ) {
            if ( isset( $form[ 'modified_by' ] ) ) {
                $modified_by_id = absint( $form[ 'modified_by' ] );
                $modified_by_user = get_user_by( 'ID', $modified_by_id );
                $incl_modified_by = ' by '.$modified_by_user->display_name;
            } else {
                $incl_modified_by = '';
            }
            $actions[] = '<em>Last Modified on '.date( 'n/j/Y', strtotime( $form[ 'date_modified' ] ) ).$incl_modified_by.'</em>';
        }

        // Return the actions
        if ( !empty( $actions ) ) {
            echo wp_kses( implode( '<br>', $actions ), [ 'br' => [], 'em' => [] ] );
        }
    } // End forms_column_content()
}