| Zeile 8 | Zeile 8 |
|---|
*
*/
|
*
*/
|
class dbpdoEngine {
/**
| class dbpdoEngine
{
/**
|
* The database class to store PDO objects
|
* The database class to store PDO objects
|
*
* @var object
*/
public $db;
| *
* @var PDO
*/
private $db;
|
/**
* The last query resource that ran
*
|
/**
* The last query resource that ran
*
|
* @var object
| * @var PDOStatement
|
*/
|
*/
|
public $last_query = "";
public $seek_array = array();
public $queries = 0;
| public $last_query;
/**
* Array used to seek through result sets. This is used when using the `fetch_field` method with a row specified.
*
* @var array Array keyed by object hashes for {@see PDOStatement} instances.
*/
private $seek_array = array();
|
/**
* Connect to the database.
*
|
/**
* Connect to the database.
*
|
* @param string The database DSN.
* @param string The database username. (depends on DSN)
* @param string The database user's password. (depends on DSN)
* @param array The databases driver options (optional)
* @return boolean True on success
| * @param string $dsn The database DSN.
* @param string $username The database username. (depends on DSN)
* @param string $password The database user's password. (depends on DSN)
* @param array $driver_options The databases driver options (optional)
*
* @throws Exception Thrown when failing to connect to the database.
|
*/
function __construct($dsn, $username="", $password="", $driver_options=array())
{
try
{
|
*/
function __construct($dsn, $username="", $password="", $driver_options=array())
{
try
{
|
| | $driver_options =
$driver_options +
array(
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_EMULATE_PREPARES => false,
)
;
|
$this->db = new PDO($dsn, $username, $password, $driver_options);
}
catch(PDOException $exception)
{
|
$this->db = new PDO($dsn, $username, $password, $driver_options);
}
catch(PDOException $exception)
{
|
die('Connection failed: '.$exception->getMessage());
| throw new Exception('Unable to connect to database server');
|
}
|
}
|
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
return true;
| |
}
/**
* Query the database.
*
|
}
/**
* Query the database.
*
|
* @param string The query SQL.
* @return resource The query data.
| * @param string $string The query SQL.
*
* @return PDOStatement The query data.
|
*/
|
*/
|
function query($string)
| public function query($string)
|
{
|
{
|
++$this->queries;
| |
$query = $this->db->query($string, PDO::FETCH_BOTH);
$this->last_query = $query;
|
$query = $this->db->query($string, PDO::FETCH_BOTH);
$this->last_query = $query;
|
$query->guid = $this->queries;
| |
return $query;
}
|
return $query;
}
|
|
|
/**
* Return a result array for a query.
*
|
/**
* Return a result array for a query.
*
|
* @param resource The query resource.
| * @param PDOStatement $query The query resource.
* @param int $resulttype One of PDO's constants: FETCH_ASSOC, FETCH_BOUND, FETCH_CLASS, FETCH_INTO, FETCH_LAZY, FETCH_NAMED, FETCH_NUM, FETCH_OBJ or FETCH_BOTH
|
* @return array The array of results.
*/
|
* @return array The array of results.
*/
|
function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
| public function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
|
{
|
{
|
if(!is_object($query))
{
return;
}
| |
switch($resulttype)
{
case PDO::FETCH_ASSOC:
| switch($resulttype)
{
case PDO::FETCH_ASSOC:
|
| Zeile 100 | Zeile 101 |
|---|
break;
}
|
break;
}
|
if($this->seek_array[$query->guid])
{
$array = $query->fetch($resulttype, $this->seek[$query->guid]['offset'], $this->seek[$query->guid]['row']);
}
| $hash = spl_object_hash($query);
if(isset($this->seek_array[$hash]))
{
$array = $query->fetch($resulttype, $this->seek_array[$hash]['offset'], $this->seek_array[$hash]['row']);
}
|
else
{
$array = $query->fetch($resulttype);
}
|
else
{
$array = $query->fetch($resulttype);
}
|
|
|
return $array;
|
return $array;
|
}
/**
| }
/**
|
* Moves internal row pointer to the next row
|
* Moves internal row pointer to the next row
|
*
* @param resource The query resource.
* @param int The pointer to move the row to.
*/
function seek($query, $row)
{
if(!is_object($query))
{
return;
}
$this->seek_array[$query->guid] = array('offset' => PDO::FETCH_ORI_ABS, 'row' => $row);
| *
* @param PDOStatement $query The query resource.
* @param int $row The pointer to move the row to.
*/
public function seek($query, $row)
{
$hash = spl_object_hash($query);
$this->seek_array[$hash] = array('offset' => PDO::FETCH_ORI_ABS, 'row' => $row);
|
}
/**
* Return the number of rows resulting from a query.
*
|
}
/**
* Return the number of rows resulting from a query.
*
|
* @param resource The query resource.
| * @param PDOStatement $query The query resource.
|
* @return int The number of rows in the result.
*/
|
* @return int The number of rows in the result.
*/
|
function num_rows($query)
| public function num_rows($query)
|
{
|
{
|
if(!is_object($query))
{
return;
}
if(is_numeric(stripos($query->queryString, 'SELECT')))
| if(stripos($query->queryString, 'SELECT') !== false)
|
{
$query = $this->db->query($query->queryString);
$result = $query->fetchAll();
return count($result);
}
else
|
{
$query = $this->db->query($query->queryString);
$result = $query->fetchAll();
return count($result);
}
else
|
{
| {
|
return $query->rowCount();
}
|
return $query->rowCount();
}
|
}
| }
|
/**
* Return the last id number of inserted data.
*
|
/**
* Return the last id number of inserted data.
*
|
* @param string The name of the insert id to check. (Optional)
| * @param string|null $name The name of the insert id to check. (Optional)
|
* @return int The id number.
*/
|
* @return int The id number.
*/
|
function insert_id($name="")
| public function insert_id($name=null)
|
{
return $this->db->lastInsertId($name);
}
| {
return $this->db->lastInsertId($name);
}
|
| Zeile 167 | Zeile 162 |
|---|
/**
* Return an error number.
*
|
/**
* Return an error number.
*
|
* @param resource The query resource.
| * @param PDOStatement $query The query resource.
|
* @return int The error number of the current error.
|
* @return int The error number of the current error.
|
*/
function error_number($query)
{
if(!is_object($query) || !method_exists($query, "errorCode"))
{
return;
}
$errorcode = $query->errorCode();
return $errorcode;
}
/**
* Return an error string.
*
* @param resource The query resource.
* @return int The error string of the current error.
*/
function error_string($query)
{
if(!is_object($query) || !method_exists($query, "errorInfo"))
| */
public function error_number($query)
{
if(!method_exists($query, "errorCode"))
|
{
|
{
|
return $this->db->errorInfo();
| return 0;
|
}
|
}
|
return $query->errorInfo();
|
return $query->errorCode();
|
}
/**
|
}
/**
|
* Roll back the last query.
| * Return an error string.
|
*
|
*
|
* @return boolean true on success, false otherwise.
| * @param PDOStatement $query The query resource.
* @return array The error string of the current error.
|
*/
|
*/
|
function roll_back()
| public function error_string($query)
|
{
|
{
|
//return $this->db->rollBack();
| if(!method_exists($query, "errorInfo"))
{
return $this->db->errorInfo();
}
return $query->errorInfo();
|
}
/**
* Returns the number of affected rows in a query.
*
|
}
/**
* Returns the number of affected rows in a query.
*
|
| | * @param PDOStatement $query
|
* @return int The number of affected rows.
*/
|
* @return int The number of affected rows.
*/
|
function affected_rows($query)
| public function affected_rows($query)
|
{
return $query->rowCount();
}
| {
return $query->rowCount();
}
|
| Zeile 220 | Zeile 205 |
|---|
/**
* Return the number of fields.
*
|
/**
* Return the number of fields.
*
|
* @param resource The query resource.
| * @param PDOStatement $query The query resource.
|
* @return int The number of fields.
*/
|
* @return int The number of fields.
*/
|
function num_fields($query)
| public function num_fields($query)
|
{
return $query->columnCount();
}
|
{
return $query->columnCount();
}
|
function escape_string($string)
| /**
* Escape a string according to the pdo escape format.
*
* @param string $string The string to be escaped.
* @return string The escaped string.
*/
public function escape_string($string)
|
{
$string = $this->db->quote($string);
|
{
$string = $this->db->quote($string);
|
// Remove ' from the begginging of the string and at the end of the string, because we already use it in insert_query
| // Remove ' from the beginning of the string and at the end of the string, because we already use it in insert_query
|
$string = substr($string, 1);
$string = substr($string, 0, -1);
| $string = substr($string, 1);
$string = substr($string, 0, -1);
|
| Zeile 242 | Zeile 233 |
|---|
/**
* Return a selected attribute
*
|
/**
* Return a selected attribute
*
|
* @param constant The attribute to check.
| * @param string $attribute The attribute to check.
|
* @return string The value of the attribute.
*/
|
* @return string The value of the attribute.
*/
|
function get_attribute($attribute)
| public function get_attribute($attribute)
|
{
|
{
|
$attribute = $this->db->getAttribute(constant("PDO::".$attribute.""));
| $attribute = $this->db->getAttribute(constant("PDO::{$attribute}"));
|
return $attribute;
}
|
return $attribute;
}
|