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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Form\Validator;
use Zend_Validate_Abstract;
/**
* Validator that checks if a textfield contains a correct time format
*/
class TimeFormatValidator extends Zend_Validate_Abstract
{
/**
* Valid time characters according to @see http://www.php.net/manual/en/function.date.php
*
* @var array
* @see http://www.php.net/manual/en/function.date.php
*/
private $validChars = array('a', 'A', 'B', 'g', 'G', 'h', 'H', 'i', 's', 'u');
/**
* List of sensible time separators
*
* @var array
*/
private $validSeparators = array(' ', ':', '-', '/', ';', ',', '.');
/**
* Error templates
*
* @var array
* @see Zend_Validate_Abstract::$_messageTemplates
*/
protected $_messageTemplates = array(
'INVALID_CHARACTERS' => 'Invalid time format'
);
/**
* Validate the input value
*
* @param string $value The format string to validate
* @param null $context The form context (ignored)
*
* @return bool True when the input is valid, otherwise false
*
* @see Zend_Validate_Abstract::isValid()
*/
public function isValid($value, $context = null)
{
$rest = trim($value, join(' ', array_merge($this->validChars, $this->validSeparators)));
if (strlen($rest) > 0) {
$this->_error('INVALID_CHARACTERS');
return false;
}
return true;
}
}
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