/home/smartonegroup/www/veroserv/vendor/league/csv/src/Query/Predicate.php
<?php
/**
* League.Csv (https://csv.thephpleague.com)
*
* (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace League\Csv\Query;
use Iterator;
/**
* Enable filtering a record based on its value and/or its offset.
*
* The class can be used directly with PHP's
* <ol>
* <li>array_filter with the ARRAY_FILTER_USE_BOTH flag.</li>
* <li>CallbackFilterIterator class.</li>
* </ol>
*/
interface Predicate
{
/**
* The class predicate method.
*
* Evaluates each element of an iterable structure based on its value and its offset.
* The method must return true if the predicate is satisfied, false otherwise.
*/
public function __invoke(mixed $value, string|int $key): bool;
/**
* Filters elements of an iterable structure using the class predicate method.
*
* @see Predicate::__invoke
*/
public function filter(iterable $value): Iterator;
}