Gravity forms: Load the previous entry of a logged in user into a gravity forms

gravity-forms-load-previous-entry.php

<?php

/**
 * Function that will prepopulate the previous logged-in user entry
 * 
 *@author Johan De Reiziger
 *@link <https://geekontheroad.com>
 */


function gotr_get_latest_user_entry($form) {
	//below you can define any form where this should not be applied to. Just separate them with a comma such as array(1,2,3)
	$excluded_forms = array();

	if(!class_exists("GFAPI")) {
		//check if gravity forms class exist otherwise abort
		return $form;
	}

    if(!is_user_logged_in()) {
        //only run for logged in users otherwise abort
        return $form;
    }	

    $current_user = wp_get_current_user();//get the curent user

	$form_id = $form["id"]; //get id of this form
    
	if(in_array($form_id, $excluded_forms)) {
		//only proceed if this form is not excluded
		return $form;
	}

    $search_criteria = array(    
        'status'     => 'active',          
        'field_filters' => array(        
            array(        
                'key' => 'created_by', 'value' => $current_user->ID, //get entry of the current user only
            )
        )
    );

    $sorting = array( 'direction' => 'DESC');

    $paging = array( 'offset' => 0, 'page_size' => 1 );

    $total_count = 1; 

    $entry = GFAPI::get_entries( $form_id, $search_criteria, $sorting, $paging, $total_count ); //get our latest entry

	if(!$entry) {
		//abort if anything is wrong with the entry
		return $form;
	}

	$normal_fields = array("text", "textarea", "phone", "email", "website", "number", "radio", "select", "hidden", "date");
    //loop through the fields and load the corresponding data from the entry
	foreach( $form['fields'] as  $field )  {	
		if(in_array($field->type, $normal_fields) ) {
			$field->defaultValue = $entry[0][$field->id];	
		} else if($field->type == "checkbox") {
			$choices = $field->choices; //get all choices
			$amount_of_choices = count($choices); //count how many we have so we can loop through
			for ($x = 1; $x <= $amount_of_choices; $x++) {
				if(!empty($entry[0][$field->id . "." .$x])) { //not empty so must be selected
					$choices[($x-1)]["isSelected"] = 1;
				}
			}
			$field->choices = $choices; //save
		} else if($field->type == "address") {			
			$inputs = $field->inputs;
			foreach ($inputs as $key => $value) {
				//loop through all the fields and complete them
				$inputs[$key]["defaultValue"] = $entry[0][$field->id . "." . ($key+1)];
			}
			$field->inputs = $inputs; //save		
			
		} else if ($field->type == "name") {
			$inputs = $field->inputs;
			
			$inputs[0]["defaultValue"] = $entry[0][$field->id . "." . 2]; //prefix
			$inputs[1]["defaultValue"] = $entry[0][$field->id . "." . 3]; //first name
			$inputs[2]["defaultValue"] = $entry[0][$field->id . "." . 4]; //midle name
			$inputs[3]["defaultValue"] = $entry[0][$field->id . "." . 6]; //last name
			$inputs[4]["defaultValue"] = $entry[0][$field->id . "." . 8]; //suffix
			
			$field->inputs = $inputs; //save
		}
			
	}
	
	return $form;

}

add_filter( 'gform_pre_render', 'gotr_get_latest_user_entry' );