File: example/hello

#!/bin/env php
<?php
/**
 * @author net_bazzline_create_executable_command_line_file
 * @since 2015-10-10
 */

//begin of including composer autoload.php
$possiblePathsToComposerAutoloadFile = [
    __DIR__ . '/../../../autoload.php',
    __DIR__ . '/../../vendor/autoload.php',
    __DIR__ . '/../vendor/autoload.php'
];
$pathToAutoloadFileNotFound = true;
$pathToAutoloadFile         = null;
foreach ($possiblePathsToComposerAutoloadFile as $path) {
    if (file_exists($path)) {
        $pathToAutoloadFile         = $path;
        $pathToAutoloadFileNotFound = false;
        break;
    }
}
if ($pathToAutoloadFileNotFound) {
    echo 'could not find composer autoload.php, no composer installed?' . PHP_EOL;
    exit(1);
}

require_once $pathToAutoloadFile;
//end of including composer autoload.php

use Net\Bazzline\Component\Cli\Environment\CommandLineEnvironment;

$environment    = new CommandLineEnvironment($argv);
$usage			= basename(__FILE__) . ' <your name> [-v|--verbose]';

$environment->execute(
    function (CommandLineEnvironment $environment) {
        //begin of dependencies
        $arguments  = $environment->getArguments();
        $values     = $arguments->getValues();
        //end of dependencies

        //begin of argument validation
        $valuesNotAreValid = (count($values) == 0);

        if ($valuesNotAreValid) {
            throw new InvalidArgumentException(
                'invalid number of arguments provided'
            );
        }
        //end of argument validation

        //begin of business logic
        $name = ucfirst($values[0]);

        $environment->outputIfVerbosityIsEnabled('provided values are: ' . implode(' ', $values));
        $environment->output('Hello ' . $name);
        //end of business logic
    },
    $usage
);