custer fixed error replacing all emails arguments

plugins/cipf_plugin/php/_actions_emails.php

@@ -33,11 +33,6 @@ function prepare_emails_CIPF($email_name, $user_id) {
 		return false;
 	}
 
-	if (is_null($user_id)) {
-		$user_id = get_current_user_id();
-	}
-	$user = get_user_by('id', $user_id);
-	$user_email = $user->user_email;
 	$header_content_type = 'Content-Type: text/html; charset=UTF-8';
 
 	
@@ -59,7 +54,7 @@ function prepare_emails_CIPF($email_name, $user_id) {
 		$tmp_email['message'] = $email['notification_message'];
 		$tmp_email['headers'] = array();
 		$tmp_email['headers'][] = $header_content_type;
-		$tmp_email['headers'][] = 'User_id: '.$user_id;
+		$tmp_email['headers']['user_id'] = $user_id;
 		$from = $email['notification_from'];
 		if (empty($from)) {
 			$from = get_option('admin_email');
@@ -71,12 +66,20 @@ function prepare_emails_CIPF($email_name, $user_id) {
 	}
 	if (isset($email['confirmation_send']) && $email['confirmation_send'] === 'on') {
 		$tmp_email = array();
+		if (is_null($user_id)) {
+			$user_id = get_current_user_id();
+		}
+		if ($user_id === 0) {
+			return false;
+		}
+		$user = get_user_by('id', $user_id);
+		$user_email = $user->user_email;
 		$tmp_email['to'] = $user_email;
 		$tmp_email['subject'] = $email['confirmation_subject'];
 		$tmp_email['message'] = $email['confirmation_message'];
 		$tmp_email['headers'] = array();
 		$tmp_email['headers'][] = $header_content_type;
-		$tmp_email['headers'][] = 'User_id: '.$user_id;
+		$tmp_email['headers']['user_id'] = $user_id;
 		$from = $email['confirmation_from'];
 		if (empty($from)) {
 			$from = get_option('admin_email');

plugins/custer/custer.php

@@ -4,7 +4,7 @@ Plugin Name: hggg_custer
 Plugin URI:
 Description: customize user : output infos on page, on email, and change current user id momentarly
 Author: hugogogo
-Version: 0.2.4
+Version: 0.2.5
 Author URI:
 */
 

plugins/custer/filter_mail.php

@@ -24,33 +24,10 @@ function replace_words($matches, $user_id = null) {
 		$user_id = get_current_user_id();
 		$current_user = wp_get_current_user();
 	}
-	else {
-		return "";
-	}
-
-	if ($current_user === false) {
-		return "";
-	}
 
 	$query = $matches[1];
 	$result = \CUSTER\format_user_info($query, $user_id);
 
-	/*
-	* if result is array, take the first element (not ideal)
-	*
-	*/
-	if (is_array($result)) {
-		$result = reset($result);
-	}
-
-	/*
-	* if no match, return $$<query>$$
-	*
-	*/
-	if (empty($result)) {
-		return $matches[0];
-	}
-
 	return $result;
 }
 
@@ -91,25 +68,32 @@ function filter_email_wp($args) {
 	$pattern = '/\$\$(.*?)\$\$/';
 
 	$user_id = \CUSTER\find_user_id_from_headers($args);
+error_log("user_id: " . json_encode($user_id));
 
-	$old_to = $args['to'];
-	$new_to = preg_replace_callback($pattern, function($matches) use ($user_id) {
-		return \CUSTER\replace_words($matches, $user_id);
-	}, $old_to);
-	$args['to'] = $new_to;
-
-	$old_subject = $args['subject'];
-	$new_subject = preg_replace_callback($pattern, function($matches) use ($user_id) {
-		return \CUSTER\replace_words($matches, $user_id);
-	}, $old_subject);
-	$args['subject'] = $new_subject;
-
-	$old_message = $args['message'];
-	$new_message = preg_replace_callback($pattern, function($matches) use ($user_id) {
-		return \CUSTER\replace_words($matches, $user_id);
-	}, $old_message);
-	$args['message'] = $new_message;
+	/*
+	* loop through args
+	* if one arg is itself an array, loop through it
+	* and replace all $$words$$ by their values
+	*
+	*/
+	foreach ($args as $arg_key => $arg) {
+		if (is_array($arg)) {
+			$new_arg = array();
+			foreach ($arg as $key => $value) {
+				$new_arg[$key] = preg_replace_callback($pattern, function($matches) use ($user_id) {
+					return \CUSTER\replace_words($matches, $user_id);
+				}, $value);
+			}
+		}
+		else {
+			$new_arg = preg_replace_callback($pattern, function($matches) use ($user_id) {
+				return \CUSTER\replace_words($matches, $user_id);
+			}, $arg);
+		}
+		$args[$arg_key] = $new_arg;
+	}
 
+error_log("args: " . json_encode($args));
 	return $args;
 }
 add_filter('wp_mail', __NAMESPACE__.'\filter_email_wp', 10, 1);
@@ -145,15 +129,13 @@ function find_user_id_from_headers(&$args) {
 	}
 	$user_id = null;
 	$headers = $args['headers'];
-	foreach ($headers as $key => $header) {
-		$explode_header = explode(':', $header);
-		$explode_header = array_map('trim', $explode_header);
-		if ($explode_header[0] === 'User_id') {
-			$user_id = $explode_header[1];
-			unset($headers[$key]);
-			$headers = array_values($headers);
-		}
+	// isset returns false if the key exists but its value is null : 'user_id'=>null : https://stackoverflow.com/questions/3803282/check-if-value-isset-and-null
+	if (array_key_exists('user_id', $headers)) {
+		$user_id = $headers['user_id'];
+		unset($headers['user_id']);
+		$headers = array_values($headers);
 	}
+
 	$args['headers'] = $headers;
 	return $user_id;
 }

plugins/custer/queries.php

@@ -60,8 +60,9 @@ function find_user_post_url($user_id) {
 *
 *
 */
-function find_admin_email($user_id) {
+function find_admin_email($user_id = null) {
 	$admin_email = get_option( 'admin_email' );
+error_log("admin_email: " . json_encode($admin_email));
 	return $admin_email;
 }
 
@@ -72,7 +73,7 @@ function find_admin_email($user_id) {
 *
 *
 */
-function find_base_url($user_id) {
+function find_base_url($user_id = null) {
 	$base_url = home_url();
 	return $base_url;
 }