Callback: removes HTML from error message [Closes nette/mail#54]

Author: dg

src/Utils/Callback.php

@@ -68,7 +68,11 @@ public static function invokeSafe(string $function, array $args, callable $onErr
 	{
 		$prev = set_error_handler(function ($severity, $message, $file) use ($onError, &$prev, $function) {
 			if ($file === __FILE__) {
-				$msg = preg_replace("#^$function\(.*?\): #", '', $message);
+				$msg = $message;
+				if (ini_get('html_errors')) {
+					$msg = html_entity_decode(strip_tags($msg));
+				}
+				$msg = preg_replace("#^$function\(.*?\): #", '', $msg);
 				if ($onError($msg, $severity) !== false) {
 					return;
 				}