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<?php
namespace Askonomm\Bouncer\Validators;
/**
* Implements a length validator that has a job of validating
* that a given string is of correct length.
*
* @author Asko Nomm <asko@bien.ee>
*/
class LenValidator implements Validator
{
/**
* Returns a boolean `true` when given `$value` is as long as
* required. Returns `false` otherwise.
*
* @param string $value
* @param mixed $modifier
* @return boolean
*/
public static function validate(string $value, mixed $modifier = null): bool
{
// If no modifier present then this validator will always validate.
if (!$modifier) {
return true;
}
if (!isset($value) || strlen($value) < (int) $modifier) {
return false;
}
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} is shorter than the required ${modifier} characters.";
}
}
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