PHP mysql database operation class of of changed from discuz

 
<?php 

 

$pt_mysql = new dbQuery; 

 

class dbQuery { 
 
var $querynum = 0; 
 
var $link; 

 
function connect($dbhost, $dbuser, $dbpw, $dbname = '', $pconnect = 0) { 
if($pconnect) { 
if(!$this->link = @mysql_pconnect($dbhost, $dbuser, $dbpw)) { 
$this->halt('Can not connect to MySQL server'); 
} 
} else { 
if(!$this->link = @mysql_connect($dbhost, $dbuser, $dbpw)) { 
$this->halt('Can not connect to MySQL server'); 
} 
} 
if($this->version() > '4.1') { 
global $dbcharset; 
if($dbcharset) { 
mysql_query("SET character_set_connection=$dbcharset, character_set_results=$dbcharset, character_set_client=binary", $this->link); 
mysql_query("set names 'GBK'"); 
} 

if($this->version() > '5.0.1') { 
mysql_query("SET sql_mode=''", $this->link); 
mysql_query("set names 'GBK'"); 
} 
} 

if($dbname) { 
mysql_select_db($dbname, $this->link); 
} 

} 
 
function select_db($dbname) { 
return mysql_select_db($dbname, $this->link); 
} 
 
function fetch_array($query, $result_type = MYSQL_ASSOC) { 
return mysql_fetch_array($query, $result_type); 
} 

 
function query($sql, $type = '') { 

$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ? 
'mysql_unbuffered_query' : 'mysql_query'; 
if(!($query = $func($sql, $this->link)) && $type != 'SILENT') { 
$this->halt('MySQL Query Error', $sql); 
} 

$this->querynum++; 
return $query; 
} 
 
function affected_rows() { 
return mysql_affected_rows($this->link); 
} 
 
function error() { 
return (($this->link) ? mysql_error($this->link) : mysql_error()); 
} 
 
function errno() { 
return intval(($this->link) ? mysql_errno($this->link) : mysql_errno()); 
} 
 
function result($query, $row) { 
$query = @mysql_result($query, $row); 
return $query; 
} 
 
function num_rows($query) { 
$query = mysql_num_rows($query); 
return $query; 
} 
 
function num_fields($query) { 
return mysql_num_fields($query); 
} 
 
function free_result($query) { 
return mysql_free_result($query); 
} 
 
function insert_id() { 
return ($id = mysql_insert_id($this->link)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0); 
} 
 
function fetch_row($query) { 
$query = mysql_fetch_row($query); 
return $query; 
} 
 
function fetch_fields($query) { 
return mysql_fetch_field($query); 
} 
 
function version() { 
return mysql_get_server_info($this->link); 
} 
 
function close() { 
return mysql_close($this->link); 
} 
 
function halt($message = '', $sql = '') { 
echo $message . ' ' . $sql; 
exit; 

} 
} 

?>