Zeile 8 | Zeile 8 |
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* */
|
* */
|
class dbpdoEngine {
/**
| class dbpdoEngine { /**
|
* The database class to store PDO objects
|
* The database class to store PDO objects
|
*
| *
|
* @var PDO
|
* @var PDO
|
*/ public $db;
| */ private $db;
/** * The last query resource that ran * * @var PDOStatement */ public $last_query;
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/**
|
/**
|
* The last query resource that ran
| * Array used to seek through result sets. This is used when using the `fetch_field` method with a row specified.
|
*
|
*
|
* @var PDOStatement
| * @var array Array keyed by object hashes for {@see PDOStatement} instances.
|
*/
|
*/
|
public $last_query = "";
public $seek_array = array();
public $queries = 0;
| private $seek_array = array();
|
/** * Connect to the database.
| /** * Connect to the database.
|
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* @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)
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* @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 = array_merge( $driver_options, array( PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_EMULATE_PREPARES => false, ) );
|
$this->db = new PDO($dsn, $username, $password, $driver_options);
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$this->db = new PDO($dsn, $username, $password, $driver_options);
|
}
| }
|
catch(PDOException $exception) {
|
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);
| |
}
/** * Query the database. * * @param string $string The query SQL.
|
}
/** * Query the database. * * @param string $string The query SQL.
|
| *
|
* @return PDOStatement The query data. */
|
* @return PDOStatement The query data. */
|
function query($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; }
|
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* @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. */
|
* @param int $resulttype One of PDO's constants: FETCH_ASSOC, FETCH_BOUND, FETCH_CLASS, FETCH_INTO, FETCH_LAZY, FETCH_NAMED, FETCH_NUM, FETCH_OBJ or FETCH_BOTH * @return array The array of results. */
|
function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
| public function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
|
{ switch($resulttype) {
| { switch($resulttype) {
|
Zeile 91 | Zeile 99 |
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default: $resulttype = PDO::FETCH_BOTH; break;
|
default: $resulttype = PDO::FETCH_BOTH; break;
|
}
if($this->seek_array[$query->guid])
| }
$hash = spl_object_hash($query);
if(isset($this->seek_array[$hash]))
|
{
|
{
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$array = $query->fetch($resulttype, $this->seek_array[$query->guid]['offset'], $this->seek_array[$query->guid]['row']);
| $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; }
|
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* * @param PDOStatement $query The query resource. * @param int $row The pointer to move the row to.
|
* * @param PDOStatement $query The query resource. * @param int $row The pointer to move the row to.
|
*/ function seek($query, $row) { $this->seek_array[$query->guid] = array('offset' => PDO::FETCH_ORI_ABS, 'row' => $row); }
| */ public function seek($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.
|
Zeile 122 | Zeile 134 |
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* @param PDOStatement $query The query resource. * @return int The number of rows in the result. */
|
* @param PDOStatement $query The query resource. * @return int The number of rows in the result. */
|
function num_rows($query)
| public function num_rows($query)
|
{ if(stripos($query->queryString, 'SELECT') !== false)
|
{ if(stripos($query->queryString, 'SELECT') !== false)
|
{
| {
|
$query = $this->db->query($query->queryString); $result = $query->fetchAll(); return count($result);
| $query = $this->db->query($query->queryString); $result = $query->fetchAll(); return count($result);
|
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else { return $query->rowCount();
|
else { return $query->rowCount();
|
} }
| } }
|
/** * Return the last id number of inserted data. *
|
/** * Return the last id number of inserted data. *
|
* @param string $name 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 153 | Zeile 165 |
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* @param PDOStatement $query The query resource. * @return int The error number of the current error. */
|
* @param PDOStatement $query The query resource. * @return int The error number of the current error. */
|
function error_number($query)
| public function error_number($query)
|
{ if(!method_exists($query, "errorCode")) { return 0; }
|
{ if(!method_exists($query, "errorCode")) { return 0; }
|
$errorcode = $query->errorCode();
return $errorcode;
| return $query->errorCode();
|
}
/**
| }
/**
|
Zeile 171 | Zeile 181 |
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* @param PDOStatement $query The query resource. * @return array The error string of the current error. */
|
* @param PDOStatement $query The query resource. * @return array The error string of the current error. */
|
function error_string($query)
| public function error_string($query)
|
{ if(!method_exists($query, "errorInfo")) { return $this->db->errorInfo(); }
|
{ if(!method_exists($query, "errorInfo")) { return $this->db->errorInfo(); }
|
|
|
return $query->errorInfo(); }
| return $query->errorInfo(); }
|
Zeile 186 | Zeile 197 |
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* @param PDOStatement $query * @return int The number of affected rows. */
|
* @param PDOStatement $query * @return int The number of affected rows. */
|
function affected_rows($query)
| public function affected_rows($query)
|
{ return $query->rowCount(); }
| { return $query->rowCount(); }
|
Zeile 197 | Zeile 208 |
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* @param PDOStatement $query The query resource. * @return int The number of fields. */
|
* @param PDOStatement $query The query resource. * @return int The number of fields. */
|
function num_fields($query)
| public function num_fields($query)
|
{ return $query->columnCount(); }
| { return $query->columnCount(); }
|
Zeile 208 | Zeile 219 |
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* @param string $string The string to be escaped. * @return string The escaped string. */
|
* @param string $string The string to be escaped. * @return string The escaped string. */
|
function escape_string($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 225 | Zeile 236 |
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* @param string $attribute The attribute to check. * @return string The value of the attribute. */
|
* @param string $attribute The attribute to check. * @return string The value of the attribute. */
|
function get_attribute($attribute)
| public function get_attribute($attribute)
|
{
|
{
|
$attribute = $this->db->getAttribute(constant("PDO::".$attribute.""));
| $attribute = $this->db->getAttribute(constant("PDO::{$attribute}"));
|
return $attribute; }
| return $attribute; }
|