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<?php
namespace kalanis\kw_mapper\Mappers\Shared;
/**
* Trait TPrimaryKey
* @package kalanis\kw_mapper\Mappers\Shared
* Simple work with primary keys
* There can be multiple of them as combined PKs
*/
trait TPrimaryKey
{
/** @var string[] */
protected $primaryKeys = [];
public function addPrimaryKey(string $localAlias): void
$this->primaryKeys[] = $localAlias;
}
* @return string[]
public function getPrimaryKeys(): array
return $this->primaryKeys;
* @param mixed $v
* @param string|int $k
* @return bool
public function filterPrimary($v, $k): bool
return in_array($k, $this->primaryKeys) && !empty($v);
alex-kalanis /
kw_mapper
