MIF_E31222691/system/validation/rules/format_of.php

43 lines
801 B
PHP

<?php namespace System\Validation\Rules;
use System\Validation\Nullable_Rule;
class Format_Of extends Nullable_Rule {
/**
* The regular expression that will be used to validate the attribute.
*
* @var string
*/
public $expression;
/**
* Evaluate the validity of an attribute.
*
* @param string $attribute
* @param array $attributes
* @return bool
*/
public function check($attribute, $attributes)
{
if ( ! is_null($nullable = parent::check($attribute, $attributes)))
{
return $nullable;
}
return preg_match($this->expression, $attributes[$attribute]);
}
/**
* Set the regular expression.
*
* @param string $expression
* @return Format_Of
*/
public function using($expression)
{
$this->expression = $expression;
return $this;
}
}