/**
* Register rule
*
* @param Rulable $rule
* @return Rulable
*/
private function register(Rulable $rule)
{
$key = $rule->info('key');
$name = is_array($key) ? implode('\\', $key) : $key;
$this->rules[$name] = $rule;
return $this->rules[$name];
}
/**
* Fill the side missing
*
* @param Rulable $rule
* @return callable
*/
public static function fillSide(Rulable $rule)
{
$default = $rule->info('default');
$delimiter = $rule->info('delimiter');
return function ($values) use($default, $delimiter) {
if (implode($delimiter, $values) === $delimiter) {
return null;
}
$fill = array_filter(explode($delimiter, $default), 'strlen');
if (count($fill) === 2) {
!$values[0] && $values[0] !== '0' and $values[0] = $fill[0];
!$values[1] && $values[1] !== '0' and $values[1] = $fill[1];
}
return $values;
};
}
/**
* Check num multiple
*
* @param Rulable $rule
* @return callable
*/
public static function numberMultiple(Rulable $rule)
{
$allow = $rule->info('allow');
return function (array $input) use($allow) {
$values = array_map(function ($v) {
return (int) $v;
}, $input);
if (!$allow) {
return $values;
}
foreach ($values as $v) {
if ($v < $allow[0] || $allow[1] < $v) {
return null;
}
}
return $values;
};
}