Gravity Flow - Assignee Field based access control via summary shortcode

functions.php

<?php

add_filter( 'gravityflow_search_criteria_status', 'jo_status_scenario_search_criteria', 10, 1 );
function jo_status_scenario_search_criteria( $search_criteria ) {

	if ( ! isset( $_SERVER['REQUEST_URI'] ) && strpos( strtolower( $_SERVER['REQUEST_URI'] ), '/status-check-64/' ) !== false ) {
		return $search_criteria;
	}

	$current_user = wp_get_current_user();
	if ( ! $current_user->exists() ) {
		return $search_criteria;
	}

	$search_criteria['field_filters']['mode'] = 'any';
	$search_criteria['field_filters'][] = array( 'key' => '6', 'value' => 'user_id|' .  $current_user->ID );

	return $search_criteria;
}

add_filter( 'gravityflow_permission_granted_entry_detail', 'jo_status_scenario_permissions_check', 10, 4 );
function jo_status_scenario_permissions_check( $permission_granted, $entry, $form, $current_step ) {

	if ( ! isset( $_SERVER['REQUEST_URI'] ) && strpos( strtolower( $_SERVER['REQUEST_URI'] ), '/status-check-64/' ) !== false ) {
		return $permission_granted;
	}

	if ( $form['id'] != '64' ) {
		return $permission_granted;
	}

	$current_user = wp_get_current_user();
	if ( ! $current_user->exists() ) {
		return $permission_granted;
	}

	if ( $entry['6'] == 'user_id|' . $current_user->ID ) {
		return true;
	}

	return $permission_granted;
}