\n", VERSION); } /** * Output command line help message * @param string $prog */ public function help($prog) { printf("\nUsage:\n\n \$ %s", $prog); $flags = []; $required = []; $optional = []; foreach ($this->args->getSpec() as $spec) { if ($spec[3] & CliArgs::REQARG) { if ($spec[3] & CliArgs::REQUIRED) { $required[] = $spec; } else { $optional[] = $spec; } } else { $flags[] = $spec; } } if ($flags) { printf(" [-%s]", implode("", array_column($flags, 0))); } foreach ($required as $req) { printf(" -%s ", $req[0]); } if ($optional) { printf(" [-%s ]", implode("|-", array_column($optional, 0))); } printf("\n\n"); foreach ($this->args->getSpec() as $spec) { printf(" -%s|--%s %s", $spec[0], $spec[1], ($spec[3] & CliArgs::REQARG) ? " " : (($spec[3] & CliArgs::OPTARG) ? "[]" : " ")); printf("%s%s%s", str_repeat(" ", 16-strlen($spec[1])), $spec[2], ($spec[3] & CliArgs::REQUIRED) ? " (REQUIRED)" : ""); if (isset($spec[4])) { printf(" [%s]", $spec[4]); } printf("\n"); } printf("\n"); } }