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Mini Shell
<?php
/*
* This file is part of the DebugBar package.
*
* (c) 2013 Maxime Bouroumeau-Fuseau
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace DebugBar\Storage;
use PDO;
/**
* Stores collected data into a database using PDO
*/
class PdoStorage implements StorageInterface
{
protected $pdo;
protected $tableName;
protected $sqlQueries = array(
'save' => "INSERT INTO %tablename% (id, data, meta_utime, meta_datetime, meta_uri, meta_ip, meta_method) VALUES (?, ?, ?, ?, ?, ?, ?)",
'get' => "SELECT data FROM %tablename% WHERE id = ?",
'find' => "SELECT data FROM %tablename% %where% ORDER BY meta_datetime DESC LIMIT %limit% OFFSET %offset%",
'clear' => "DELETE FROM %tablename%"
);
/**
* @param \PDO $pdo The PDO instance
* @param string $tableName
* @param array $sqlQueries
*/
public function __construct(PDO $pdo, $tableName = 'phpdebugbar', array $sqlQueries = array())
{
$this->pdo = $pdo;
$this->tableName = $tableName;
$this->setSqlQueries($sqlQueries);
}
/**
* Sets the sql queries to be used
*
* @param array $queries
*/
public function setSqlQueries(array $queries)
{
$this->sqlQueries = array_merge($this->sqlQueries, $queries);
}
/**
* {@inheritdoc}
*/
public function save($id, $data)
{
$sql = $this->getSqlQuery('save');
$stmt = $this->pdo->prepare($sql);
$meta = $data['__meta'];
$stmt->execute(array($id, serialize($data), $meta['utime'], $meta['datetime'], $meta['uri'], $meta['ip'], $meta['method']));
}
/**
* {@inheritdoc}
*/
public function get($id)
{
$sql = $this->getSqlQuery('get');
$stmt = $this->pdo->prepare($sql);
$stmt->execute(array($id));
if (($data = $stmt->fetchColumn(0)) !== false) {
return unserialize($data);
}
return null;
}
/**
* {@inheritdoc}
*/
public function find(array $filters = array(), $max = 20, $offset = 0)
{
$where = array();
$params = array();
foreach ($filters as $key => $value) {
$where[] = "meta_$key = ?";
$params[] = $value;
}
if (count($where)) {
$where = " WHERE " . implode(' AND ', $where);
} else {
$where = '';
}
$sql = $this->getSqlQuery('find', array(
'where' => $where,
'offset' => $offset,
'limit' => $max
));
$stmt = $this->pdo->prepare($sql);
$stmt->execute($params);
$results = array();
foreach ($stmt->fetchAll() as $row) {
$data = unserialize($row['data']);
$results[] = $data['__meta'];
unset($data);
}
return $results;
}
/**
* {@inheritdoc}
*/
public function clear()
{
$this->pdo->exec($this->getSqlQuery('clear'));
}
/**
* Get a SQL Query for a task, with the variables replaced
*
* @param string $name
* @param array $vars
* @return string
*/
protected function getSqlQuery($name, array $vars = array())
{
$sql = $this->sqlQueries[$name];
$vars = array_merge(array('tablename' => $this->tableName), $vars);
foreach ($vars as $k => $v) {
$sql = str_replace("%$k%", $v, $sql);
}
return $sql;
}
}
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