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<?php
class Db_Mysql implements IDb {
private $link;
private $last_error;
function connect($host, $user, $pass, $db, $port) {
$this->link = mysql_connect($host, $user, $pass);
if ($this->link) {
$result = mysql_select_db($db, $this->link);
if (!$result) {
die("Can't select DB: " . mysql_error($this->link));
}
$this->init();
return $this->link;
} else {
die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
}
}
function escape_string($s, $strip_tags = true) {
if ($strip_tags) $s = strip_tags($s);
return mysql_real_escape_string($s, $this->link);
}
function query($query, $die_on_error = true) {
$result = @mysql_query($query, $this->link);
if (!$result) {
$this->last_error = @mysql_error($this->link);
@mysql_query("ROLLBACK", $this->link);
user_error("Query $query failed: " . ($this->link ? $this->last_error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}
return $result;
}
function fetch_assoc($result) {
return mysql_fetch_assoc($result);
}
function num_rows($result) {
return mysql_num_rows($result);
}
function fetch_result($result, $row, $param) {
return mysql_result($result, $row, $param);
}
function close() {
return mysql_close($this->link);
}
function affected_rows($result) {
return mysql_affected_rows($this->link);
}
function last_error() {
return mysql_error();
}
function last_query_error() {
return $this->last_error;
}
function init() {
$this->query("SET time_zone = '+0:0'");
if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
$this->query("SET NAMES " . MYSQL_CHARSET);
}
return true;
}
}
?>
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