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<?php
// PDO can be used in several database drivers
if (extension_loaded('pdo')) {
/*abstract*/ class Min_PDO extends PDO {
var $_result, $server_info, $affected_rows, $error;
function __construct() {
}
function dsn($dsn, $username, $password, $exception_handler = 'auth_error') {
set_exception_handler($exception_handler); // try/catch is not compatible with PHP 4
parent::__construct($dsn, $username, $password);
restore_exception_handler();
$this->setAttribute(13, array('Min_PDOStatement')); // 13 - PDO::ATTR_STATEMENT_CLASS
$this->server_info = $this->getAttribute(4); // 4 - PDO::ATTR_SERVER_VERSION
}
/*abstract function select_db($database);*/
function query($query, $unbuffered = false) {
$result = parent::query($query);
if (!$result) {
$errorInfo = $this->errorInfo();
$this->error = $errorInfo[2];
return false;
}
$this->store_result($result);
return $result;
}
function multi_query($query) {
return $this->_result = $this->query($query);
}
function store_result($result = null) {
if (!$result) {
$result = $this->_result;
}
if ($result->columnCount()) {
$result->num_rows = $result->rowCount(); // is not guaranteed to work with all drivers
return $result;
}
$this->affected_rows = $result->rowCount();
return true;
}
function next_result() {
return $this->_result->nextRowset();
}
function result($query, $field = 0) {
$result = $this->query($query);
if (!$result) {
return false;
}
$row = $result->fetch();
return $row[$field];
}
}
class Min_PDOStatement extends PDOStatement {
var $_offset = 0, $num_rows;
function fetch_assoc() {
return $this->fetch(2); // PDO::FETCH_ASSOC
}
function fetch_row() {
return $this->fetch(3); // PDO::FETCH_NUM
}
function fetch_field() {
$row = (object) $this->getColumnMeta($this->_offset++);
$row->orgtable = $row->table;
$row->orgname = $row->name;
$row->charsetnr = (in_array("blob", $row->flags) ? 63 : 0);
return $row;
}
}
}
$drivers = array();
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