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<?php
class Db_Mysql extends Db_Abstract
{
public function connect($host, $user, $pass, $db)
{
$link = mysql_connect($host, $user, $pass);
if ($link) {
$result = mysql_select_db($db, $link);
if (!$result) {
die("Can't select DB: " . mysql_error($link));
}
$this->dbconn = $link;
return $link;
} else {
die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
}
}
public function init()
{
db_query($this->dbconn, "SET time_zone = '+0:0'");
if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
db_query($this->dbconn, "SET NAMES " . MYSQL_CHARSET);
}
}
public function escape_string($s, $strip_tags = true)
{
if ($strip_tags) $s = strip_tags($s);
return mysql_real_escape_string($s);
}
public function query($query, $die_on_error = true)
{
$result = mysql_query($query, $this->dbconn);
if (!$result) {
$query = htmlspecialchars($query);
if ($die_on_error) {
die("Query <i>$query</i> failed: " . ($this->dbconn ? mysql_error($this->dbconn) : "No connection"));
}
}
return $result;
}
public function fetch_assoc($result) {
return mysql_fetch_assoc($result);
}
public function num_rows($result) {
return mysql_num_rows($result);
}
public function fetch_result($result, $row, $param) {
// I hate incoherent naming of PHP functions
return mysql_result($result, $row, $param);
}
public function close() {
return mysql_close($this->dbconn);
}
public function affected_rows($result) {
return mysql_affected_rows($this->dbconn);
}
public function last_error() {
return mysql_error($this->dbconn);
}
}
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