added message payments in admin menu

plugins/custer/format_user_infos.php

@@ -14,16 +14,32 @@ if (!defined('ABSPATH')) {
 * return the result
 *
 */
-function return_result($output) {
-	if (is_array($output) && count($output) === 0) {
-		$output = '';
+function return_result($output, $if_empty = '') {
+
+	/*
+	* if empty, apply options, or default empty string ''
+	*
+	*/
+	if (empty($output)) {
+		$output = $if_empty;
 	}
+
+	/*
+	* if number, output a string
+	*
+	*/
 	if (is_numeric($output)) {
 		$output = (string)$output;
 	}
-	if (!is_string($output)) {
+
+	/*
+	* if not scalar, stringify output
+	*
+	*/
+	if (!is_scalar($output)) {
 		$output = json_encode($output, JSON_UNESCAPED_SLASHES);
 	}
+
 	return esc_html($output);
 }
 
@@ -32,7 +48,7 @@ function return_result($output) {
 * format the output
 * if is acf, use acf default format
 */
-function format_user_info($query, $current_user, $user_id) {
+function format_user_info($query, $current_user, $user_id, $if_empty = '') {
 	$output_date_format = Custer::USER_INFO_DATE_FORMAT;
 
 	$is_acf = false;
@@ -75,10 +91,12 @@ function format_user_info($query, $current_user, $user_id) {
 	* otherwise, use the default wordpress value
 	*
 	*/
-	if ($is_acf)
+	if ($is_acf) {
 		$output = get_field($query, $acf_id);
-	else
+	}
+	else {
 		$output = $current_user->$query;
+	}
 
 
 
@@ -86,8 +104,9 @@ function format_user_info($query, $current_user, $user_id) {
 	* try to extract a string
 	*
 	*/
-	while (is_array($output) && count($output) === 1)
+	while (is_array($output) && count($output) === 1) {
 		$output = reset($output);
+	}
 
 
 
@@ -110,7 +129,12 @@ function format_user_info($query, $current_user, $user_id) {
 		}
 	}
 
-	return \CUSTER\return_result($output);
+
+	/*
+	* check options to format the result
+	*
+	*/
+	return \CUSTER\return_result($output, $if_empty);
 }