PHP code example of nette / command-line

    
        
<?php
require_once('vendor/autoload.php');

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

    

nette / command-line example snippets

use Nette\CommandLine\Parser;

$parser = new Parser;
$parser->addFromHelp('
	-h, --help              Show this help
	-v, --verbose           Enable verbose mode
	-o, --output <file>     Output file
	-f, --format [type]     Output format (default: json)
	-I, --

[
	'--help' => true,         // or null if not used
	'--verbose' => null,
	'--output' => 'file.txt', // or null if not used
	'--format' => 'json',     // fallback from (default: json)
	'--

$args = $parser->parse(['--verbose', '-o', 'out.txt']);

$parser->addFromHelp('
	-c, --config <file>   Configuration file
	-I, --ser::RealPath => true,
	],
	'--

use Nette\CommandLine\Parser;

$parser = new Parser;
$parser
	->addSwitch('--verbose', '-v')
	->addOption('--output', '-o')
	->addArgument('file');

$args = $parser->parse();

$args = $parser->parse(['--verbose', '-o', 'out.txt', 'input.txt']);

$parser->addSwitch('--verbose', '-v');
// --verbose  → true
// -v         → true
// (not used) → null

$parser->addOption('--output', '-o');
// --output file.txt    → 'file.txt'
// --output=file.txt    → 'file.txt'
// -o file.txt          → 'file.txt'
// --output             → throws exception (value 

$parser->addOption('--format', '-f', optionalValue: true);
// --format json        → 'json'
// --format             → true
// (not used)           → null

$parser->addOption('--output', '-o');
// -o first.txt -o second.txt  → 'second.txt'

$parser->addArgument('input');
// script.php file.txt  → 'file.txt'
// (not used)           → throws exception

$parser->addArgument('output', optional: true);
// (not used)           → null

$parser->addArgument('output', optional: true, fallback: 'out.txt');
// (not used)           → 'out.txt'

$parser->addOption('--format', '-f', optionalValue: true, fallback: 'json');
// --format xml  → 'xml'
// --format      → true (option used without value)
// (not used)    → 'json' (fallback)

// all of these are equivalent:
// script.php --verbose input.txt
// script.php input.txt --verbose

$parser->addOption('--format', '-f', enum: ['json', 'xml', 'csv']);
// --format yaml  → throws "Value of option --format must be json, or xml, or csv."

$parser->addOption('-- ['src', 'lib']
// (not used)     → []

$parser->addArgument('files', optional: true, repeatable: true);
// a.txt b.txt    → ['a.txt', 'b.txt']

$parser->addOption('--count', normalizer: fn($v) => (int) $v);
// --count 42  → 42 (integer)

$parser->addOption('--config', normalizer: Parser::normalizeRealPath(...));
// --config app.ini     → '/full/path/to/app.ini'
// --config missing.ini → throws "File path 'missing.ini' not found."

$parser
	->addFromHelp('
		-v, --verbose  Enable verbose mode
		-q, --quiet    Suppress output
	')
	->addOption('--config', '-c', normalizer: Parser::normalizeRealPath(...),
		description: 'Configuration file')
	->addArgument('input', description: 'Input file');

use Nette\CommandLine\Parser;

$parser = new Parser;
$parser
	->addOption('--output', '-o')
	->addArgument('file');

try {
	$args = $parser->parse();
} catch (\Exception $e) {
	fwrite(STDERR, "Error: {$e->getMessage()}\n");
	exit(1);
}

if ($parser->isEmpty()) {
	$parser->help();
	exit;
}

$parser = new Parser;
$parser
	->addSwitch('--help', '-h')
	->addSwitch('--version', '-V')
	->addArgument('input');  // $info['--help']) {
	$parser->help();
	exit;
}

if ($info['--version']) {
	echo "1.0.0\n";
	exit;
}

// Now do full parsing with validation
$args = $parser->parse();

#!/usr/bin/env php

use Nette\CommandLine\Parser;

-help           Show this help
		-v, --verbose        Show detailed output
		-n, --dry-run        Show what would be done
		-f, --format [type]  Output format (default: json)
		-o, --output <file>  Output file
	', [
		'--format' => [
			Parser::Enum => ['json', 'xml', 'csv'],
		],
	])
	->addArgument('input', normalizer: Parser::normalizeRealPath(...));

// Handle --help before validation (avoids "missing argument" error)
if ($parser->isEmpty() || $parser->parseOnly(['--help'])['--help']) {
	echo "Usage: convert [options] <input>\n\n";
	$parser->help();
	exit;
}

try {
	$args = $parser->parse();
} catch (\Exception $e) {
	fwrite(STDERR, "Error: {$e->getMessage()}\n");
	exit(1);
}

if ($args['--verbose']) {
	echo "Converting {$args['input']} to {$args['--format']}...\n";
}

if ($args['--dry-run']) {
	echo "Dry run: No changes made.\n";
	exit;
}

// ... conversion logic here ...

echo "Done!\n";