GravityView extend the Advanced Filter to a certain users' role

gv-custom-role-filter.php

<?php

/** 
 * When using the Advanced Filter extension to filter entries to show just the ones created by the user logged-in
 * BUT remove the restriction to a certain role of users ( administrators or editors )
 * 
 * Replace the following to your own values:
 *  - REPLACE_BY_VIEW_ID, use the view id where this logic applies
 *  - REPLACE_BY_THE_ROLE, use 'administrator' or 'editor' or your own custom role
 * 
 * 
 * Add this gist to your theme functions.php
 * 
 */

add_filter( 'gravityview_search_criteria', 'my_gv_custom_role_filter', 110, 1 );

function my_gv_custom_role_filter( $criteria ) {
	
	// check if we are displaying the correct View
	if( function_exists('gravityview_get_view_id') && 'REPLACE_BY_VIEW_ID' != gravityview_get_view_id() ) { return $criteria; }

	// Check if user is logged-in
	if( !is_user_logged_in() ) { return $criteria; }

	// Check if user belongs to a certain 'admin' role
	$current_user = wp_get_current_user();
	if( !in_array( 'REPLACE_BY_THE_ROLE', $current_user->roles ) ) { return $criteria; }

	// if we get here, then remove the 'create by' filter from the $criteria
	if( !empty( $criteria['search_criteria']['field_filters'] ) && is_array( $criteria['search_criteria']['field_filters'] ) ) {
		foreach(  $criteria['search_criteria']['field_filters'] as $k => $filter ) {
			if( $k !== 'mode' && 'created_by' === $filter['key'] ) {
				unset( $criteria['search_criteria']['field_filters'][ $k ] );
			}
		}
	}

	return $criteria;
}