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<?php
namespace Askonomm\Hird\Validators;
/**
* Implements a DateFormat validator that has a job
* of validating that a given date is in the correct
* format.
*
* @author Asko Nomm <asko@bien.ee>
*/
class DateFormatValidator implements Validator
{
/**
* Returns a boolean `true` when given `$value` is a valid e-mail
* address. Returns `false` otherwise.
*
* @param string $field
* @param mixed $value
* @param mixed $modifier
* @return boolean
*/
public static function validate(string $field, mixed $value, mixed $modifier = null): bool
{
if ($value) {
$datetime = \DateTime::createFromFormat($modifier, $value);
return $datetime !== false && !array_sum($datetime::getLastErrors());
}
return true;
}
/**
* Composes the error message in case the validation fails.
*
* @param string $field
* @param mixed $modifier
* @return string
*/
public static function composeError(string $field, mixed $modifier = null): string
{
return "${field} does not match the required date format ${modifier}.";
}
}
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