PHP code example of toolkit / pflag

1. Go to this page and download the library: Download toolkit/pflag library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

toolkit / pflag example snippets


use Toolkit\PFlag\Flags;

];
// NOTICE: must shift first element.
$scriptFile = array_shift($flags);

$fs = Flags::new();
// can with some config
$fs->setScriptFile($scriptFile);
/** @see Flags::$settings */
$fs->setSettings([
    'descNlOnOptLen' => 26
]);

// ...

use Toolkit\PFlag\Flag\Option;
use Toolkit\PFlag\FlagType;
use Toolkit\PFlag\Validator\EnumValidator;

// add options
// - quick add
$fs->addOpt('age', 'a', 'this is a int option', FlagType::INT);

// - use string rule
$fs->addOptByRule('name,n', 'string;this is a string option;true');

// - use array rule
/** @see Flags::DEFINE_ITEM for array rule */
$fs->addOptByRule('name-is-very-lang', [
    'type'   => FlagType::STRING,
    'desc'   => 'option name is to lang, desc will print on newline',
    'shorts' => ['d','e','f'],
    // TIP: add validator limit input value.
    'validator' => EnumValidator::new(['one', 'two', 'three']),
]);

// -- add multi option at once.
$fs->addOptsByRules([
    'tag,t' => 'strings;array option, allow set multi times',
    'f'     => 'bool;this is an bool option',
]);

// - use Option
$opt = Option::new('str1', "this is  string option, \ndesc has multi line, \nhaha...");
$opt->setDefault('defVal');
$fs->addOption($opt);

use Toolkit\PFlag\Flag\Argument;
use Toolkit\PFlag\FlagType;

// add arguments
// - quick add
$fs->addArg('strArg1', 'the is string arg and is ument::new('arrArg');
// OR $arg->setType(FlagType::ARRAY);
$arg->setType(FlagType::STRINGS);
$arg->setDesc("this is an array arg,\n allow multi value,\n must define at last");

$fs->addArgument($arg);

use Toolkit\PFlag\Flags;
use Toolkit\PFlag\FlagType;

// ...

if (!$fs->parse($flags)) {
    // on render help
    return;
}

vdump($fs->getOpts(), $fs->getArgs());

$force = $fs->getOpt('f'); // bool(true)
$age  = $fs->getOpt('age'); // int(99)
$name = $fs->getOpt('name'); // string(inhere)
$tags = $fs->getOpt('tags'); // array{"php", "go", "java"}

$arg0 = $fs->getArg(0); // string(arg0)
// get an array arg
$arrArg = $fs->getArg(1); // array{"arr0", "arr1"}
// get value by name
$arrArg = $fs->getArg('arrArg'); // array{"arr0", "arr1"}

use Toolkit\Cli\Cli;
use Toolkit\PFlag\CliCmd;
use Toolkit\PFlag\FlagsParser;

CliCmd::new()
    ->config(function (CliCmd $cmd) {
        $cmd->name = 'demo';
        $cmd->desc = 'description for demo command';

        // config flags
        $cmd->options = [
            'age, a'  => 'int;the option age, is int',
            'name, n' => 'the option name, is string and etArgs());
    })
    ->run();

# show help
php example/clicmd.php -h
# run command
php example/clicmd.php --age 23 --name inhere value1

use Toolkit\Cli\Cli;
use Toolkit\PFlag\CliApp;
use Toolkit\PFlag\FlagsParser;
use Toolkit\PFlagTest\Cases\DemoCmdHandler;

$app = new CliApp();

$app->add('test1', fn(FlagsParser $fs) => vdump($fs->getOpts()), [
    'desc'    => 'the test 1 command',
    'options' => [
        'opt1' => 'opt1 for command test1',
        'opt2' => 'int;opt2 for command test1',
    ],
]);

$app->add('test2', function (FlagsParser $fs) {
    Cli::info('options:');
    vdump($fs->getOpts());
    Cli::info('arguments:');
    vdump($fs->getArgs());
}, [
    // 'desc'    => 'the test2 command',
    'options' => [
        'opt1' => 'a string opt1 for command test2',
        'opt2' => 'int;a int opt2 for command test2',
    ],
    'arguments' => [
        'arg1' => '

# show help
php example/cliapp.php -h
# run command
php example/cliapp.php test2 --opt1 val1 --opt2 23 value1

use Toolkit\PFlag\FlagType;

$rules = [
     // v: only value, as name and use default type FlagType::STRING
     // k-v: key is name, value can be string|array
     'long,s',
     // name => rule
     'long,a,b' => 'int', // long is option name, a and b is shorts.
     'f'      => FlagType::BOOL,
     'str1'   => ['type' => 'int', 'desc' => 'an string option'],
     'tags'   => 'array', // can also: ints, strings
     'name'   => 'type;the description message;

public const DEFINE_ITEM = [
    'name'      => '',
    'desc'      => '',
    'type'      => FlagType::STRING,
    'helpType'  => '', // use for render help
    // 'index'    => 0, // only for argument
    '

    // -------------------- settings for parse option --------------------

    /**
     * Stop parse option on found first argument.
     *
     * - Useful for support multi commands. eg: `top --opt ... sub --opt ...`
     *
     * @var bool
     */
    protected $stopOnFistArg = true;

    /**
     * Skip on found undefined option.
     *
     * - FALSE will throw FlagException error.
     * - TRUE  will skip it and collect as raw arg, then continue parse next.
     *
     * @var bool
     */
    protected $skipOnUndefined = false;

    // -------------------- settings for parse argument --------------------

    /**
     * Whether auto bind remaining args after option parsed
     *
     * @var bool
     */
    protected $autoBindArgs = true;

    /**
     * Strict match args number.
     * if exist unbind args, will throw FlagException
     *
     * @var bool
     */
    protected $strictMatchArgs = false;



    // -------------------- settings for built-in render help --------------------

    /**
     * Auto render help on provide '-h', '--help'
     *
     * @var bool
     */
    protected $autoRenderHelp = true;

    /**
     * Show flag data type on render help.
     *
     * if False:
     *
     * -o, --opt    Option desc
     *
     * if True:
     *
     * -o, --opt STRING   Option desc
     *
     * @var bool
     */
    protected $showTypeOnHelp = true;

    /**
     * Will call it on before print help message
     *
     * @var callable
     */
    private $beforePrintHelp;


$fs->setHelpRenderer(function (\Toolkit\PFlag\FlagsParser $fs) {
    // render help messages
});
bash
$ php example/flags-demo.php --help
text
# options
array(6) {
  ["str1"]=> string(6) "defVal"
  ["name"]=> string(6) "inhere"
  ["age"]=> int(99)
  ["tag"]=> array(3) {
    [0]=> string(2) "go"
    [1]=> string(3) "php"
    [2]=> string(4) "java"
  }
  ["name-is-very-lang"]=> string(3) "one"
  ["f"]=> bool(true)
}

# arguments
array(3) {
  [0]=> string(4) "arg0"
  [1]=> int(80)
  [2]=> array(2) {
    [0]=> string(4) "arr0"
    [1]=> string(4) "arr1"
  }
}