Misc::error( string $message, int $level, string $file, int $line ): string

136    public static function error(string $message, int $level, string $file, int $line)137    {138        if ((error_reporting() & $level) > 0) {139            switch ($level) {140                case E_USER_ERROR:141                    $note = 'PHP Error';142                    break;143                case E_USER_WARNING:144                    $note = 'PHP Warning';145                    break;146                case E_USER_NOTICE:147                    $note = 'PHP Notice';148                    break;149                default:150                    $note = 'Unknown Error';151                    break;152            }153 154            $log_error = true;155            if (!function_exists('error_log')) {156                $log_error = false;157            }158 159            $log_file = @ini_get('error_log');160            if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) {161                $log_error = false;162            }163 164            if ($log_error) {165                @error_log("$note: $message in $file on line $line", 0);166            }167        }168 169        return $message;170    }