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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Console\Prompt;
final class Password extends AbstractPrompt
{
/**
* @var string
*/
private $promptText;
/**
* @var bool
*/
private $echo;
/**
* Ask the user for a password
*
* @param string $promptText The prompt text to display in console
* @param bool $echo Display the selection after user presses key
*/
public function __construct($promptText = 'Password: ', $echo = false)
{
$this->promptText = (string) $promptText;
$this->echo = (bool) $echo;
}
/**
* Show the prompt to user and return a string.
*
* @return string
*/
public function show()
{
$console = $this->getConsole();
$console->writeLine($this->promptText);
$password = '';
/**
* Read characters from console
*/
while (true) {
$char = $console->readChar();
$console->clearLine();
if (PHP_EOL == $char) {
break;
}
$password .= $char;
if ($this->echo) {
$console->write(str_repeat('*', strlen($password)));
}
}
return $password;
}
}