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<?php
namespace Askonomm\Hird\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 RequiredValidator implements Validator
{
/**
* Returns a boolean `true` when given `$value` is present
* and not empty. Returns `false` otherwise.
*
* @param mixed $value
* @param mixed $modifier
* @return boolean
*/
public static function validate(string $field, mixed $value, mixed $modifier = null): bool
{
return isset($value) && $value !== '';
}
/**
* 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 required.";
}
}
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