for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
/**
* @author Anton Lytkin <[email protected]>
*/
namespace WS\Utils\Collections\Functions\Expression;
use WS\Utils\Collections\Functions\Expression\Operator\AbstractOperator;
use WS\Utils\Collections\Functions\Expression\Operator\AndOperator;
use WS\Utils\Collections\Functions\Expression\Operator\OrOperator;
class BoolExpression
{
/** @var AbstractOperator[] */
private $operators = [];
public function __construct(callable $checker)
$this->operators[] = new AndOperator($checker);
}
public static function with(callable $checker): self
return new self($checker);
public function __invoke($item): bool
$operand = null;
foreach ($this->operators as $operator) {
if ($operand === null) {
if (!$operand = $operator->getChecker()($item)) {
return false;
continue;
if (!$operand = $operator($operand, $item)) {
return true;
public function and(callable $checker): self
return $this;
public function or(callable $checker): self
$this->operators[] = new OrOperator($checker);
worksolutions /
php-collections
