edde-framework/edde-framework

<?php
    declare(strict_types=1);

    namespace Edde\Common\Cli;

    use Edde\Common\Object;

    /**
     * Usefull set of command line utilities.
     */
    class CliUtils extends Object {
        /**
         * credit for this method goes here:
         * https://github.com/pwfisher/CommandLine.php/blob/master/CommandLine.php
         *
         * @param array $argv
         *
         * @return array
         */
        static public function getArgumentList(array $argv) {
            $argumentList = [];
            /** @noinspection ForeachInvariantsInspection */
            for ($i = 0, $j = count($argv); $i < $j; $i++) {
                $arg = $argv[$i];
                if (strpos($arg, '--', 0) === 0) {
                    $eqPos = strpos($arg, '=');
                    if ($eqPos === false) {
                        $key = substr($arg, 2);
                        if ($i + 1 < $j && $argv[$i + 1][0] !== '-') {
                            $value = $argv[$i + 1];
                            $i++;
                        } else {
                            $value = $argumentList[$key] ?? true;
                        }
                        $argumentList[$key] = $value;
                    } else {
                        $key = substr($arg, 2, $eqPos - 2);
                        $value = substr($arg, $eqPos + 1);
                        $argumentList[$key] = $value;
                    }
                } else if ($arg[0] === '-') {
                    if ($arg[2] === '=') {
                        $key = $arg[1];
                        $value = substr($arg, 3);
                        $argumentList[$key] = $value;
                    } else {
                        $chars = str_split(substr($arg, 1));
                        foreach ($chars as $char) {
                            $key = $char;
                            $value = $argumentList[$key] ?? true;
                            $argumentList[$key] = $value;
                        }
                        if ($i + 1 < $j && $argv[$i + 1][0] !== '-') {
                            $argumentList[$key] = $argv[$i + 1];
                            $i++;
                        }
                    }
                } else {
                    $value = $arg;
                    $argumentList[] = $value;
                }
            }
            return $argumentList;
        }
    }