\n\n", VERSION); } /** * Output command line help message * @param string $prog */ public function help($prog) { printf("Usage:\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"); $spc = $this->args->getSpec(); $max = max(array_map("strlen", array_column($spc, 1))); $max += $max % 8 + 2; foreach ($spc as $spec) { if (isset($spec[0])) { printf(" -%s|", $spec[0]); } else { printf(" "); } printf("--%s ", $spec[1]); if ($spec[3] & CliArgs::REQARG) { printf(" "); } elseif ($spec[3] & CliArgs::OPTARG) { printf("[]"); } else { printf(" "); } printf("%s%s", str_repeat(" ", $max-strlen($spec[1])+3*!isset($spec[0])), $spec[2]); if ($spec[3] & CliArgs::REQUIRED) { printf(" (REQUIRED)"); } if (isset($spec[4])) { printf(" [%s]", $spec[4]); } printf("\n"); } printf("\n"); } }