58 lines
1.2 KiB
PHP
58 lines
1.2 KiB
PHP
<?php
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/*
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* This file is part of Simple Validator.
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*
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* (c) Frédéric Guillot <contact@fredericguillot.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace SimpleValidator\Validators;
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use SimpleValidator\Base;
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/**
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* @author Olivier Maridat
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*/
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class Exists extends Base
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{
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private $pdo;
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private $key;
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private $table;
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public function __construct($field, $error_message, \PDO $pdo, $table, $key = '')
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{
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parent::__construct($field, $error_message);
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$this->pdo = $pdo;
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$this->table = $table;
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$this->key = $key;
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}
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public function execute(array $data)
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{
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if (! isset($data[$this->field]) || '' === $data[$this->field]) {
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return true;
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}
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if ($this->key === '') {
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$this->key = $this->field;
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}
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$rq = $this->pdo->prepare('SELECT COUNT(*) FROM '.$this->table.' WHERE '.$this->key.'=?');
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$rq->execute(array(
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$data[$this->field]
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));
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$result = $rq->fetch(\PDO::FETCH_NUM);
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if (isset($result[0]) && $result[0] >= '1') {
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return true;
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}
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return false;
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}
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} |