<?php
/**
* @see https://github.com/laminas/laminas-validator for the canonical source repository
* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Validator\Db;
use Laminas\Validator\Exception;
/**
* Confirms a record exists in a table.
*/
class RecordExists extends AbstractDb
{
public function isValid($value)
{
/*
* Check for an adapter being defined. If not, throw an exception.
*/
if (null === $this->adapter) {
throw new Exception\RuntimeException('No database adapter present');
}
$valid = true;
$this->setValue($value);
$result = $this->query($value);
if (! $result) {
$valid = false;
$this->error(self::ERROR_NO_RECORD_FOUND);
}
return $valid;
}
}