cweagans\Composer\Patches::executeCommand PHP Method

    protected function executeCommand($cmd)
    {
        // Shell-escape all arguments except the command.
        $args = func_get_args();
        foreach ($args as $index => $arg) {
            if ($index !== 0) {
                $args[$index] = escapeshellarg($arg);
            }
        }
        // And replace the arguments.
        $command = call_user_func_array('sprintf', $args);
        $output = '';
        if ($this->io->isVerbose()) {
            $this->io->write('<comment>' . $command . '</comment>');
            $io = $this->io;
            $output = function ($type, $data) use($io) {
                if ($type == Process::ERR) {
                    $io->write('<error>' . $data . '</error>');
                } else {
                    $io->write('<comment>' . $data . '</comment>');
                }
            };
        }
        return $this->executor->execute($command, $output) == 0;
    }