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| <?php
define("maxstr", 4); class db {
var $dbtype; var $dbhost; var $dbuser; var $dbpass; var $dbname; var $dbflag; var $start = 0; function db($dbtype, $dbhost, $dbuser, $dbpass, $dbname) {
$this->dbtype = $dbtype;
$this->dbhost = $dbhost;
$this->dbuser = $dbuser;
$this->dbpass = $dbpass;
$this->dbname = $dbname;
return true;
}
function connect() {
switch ($this->dbtype) {
case "pg":
break;
case "mysql":
$dbc = @mysql_connect($this->dbhost, $this->dbuser, $this->dbpass) or $this->showerr(1);
$dbs = @mysql_select_db($this->dbname, $dbc) or $this->showerr(2);
return $this->dbflag = $dbc;
break;
default:
$this->showerr(0);
break;
}
}
function disconnect() {
switch ($this->dbtype) {
case "pg":
break;
case "mysql":
@mysql_close($this->dbflag);
break;
}
}
function select($sql, $num, $limit) {
if ($limit == 1) $sql .= " LIMIT ".$num." OFFSET ".$this->start;
elseif ($limit == -1) $sql .= "";
else $sql .= " LIMIT 1";
switch ($this->dbtype) {
case "pg":
break;
case "mysql":
$query = @mysql_query($sql) or $this->showerr(3);
while ( $row = @mysql_fetch_array($query, MYSQL_NUM) ) {
$arr[] = $row;
}
@mysql_free_result($query);
return $arr;
break;
}
}
function pages($sql, $onpage, $path) {
switch ($this->dbtype) {
case "pg":
break;
case "mysql":
$query = @mysql_query($sql);
$max = @mysql_affected_rows();
@mysql_free_result($query);
break;
}
$pages = @ceil($max/$onpage); if(!$path) $path = "?"; else $path .= "&"; if ( !$_GET["page"] ) $_GET["page"] = 1;
if($_GET["page"] > $pages) {
$_GET["page"] = $pages;
}
$this->start = ($_GET["page"] - 1) * $onpage; $razlika = floor(maxstr/2);
if($_GET["page"] == 1) {
$razlika = 0;
}
elseif($_GET["page"] == $pages) {
$razlika = maxstr - 1;
}
elseif( ($_GET["page"] == maxstr) ) {
$razlika += 1;
}
$begin = $_GET["page"] - $razlika;
if($begin < 2)
$begin = 1;
else
$res .= "<a href="".$path."page=".($begin - 1)."">«</a>";
$end = $begin + maxstr;
for($i = $begin; $i < $end; $i++) {
if($i == $_GET["page"])
$res .= " ".$i;
else
$res .= " <a href="".$path."page=".$i."">".$i."</a>";
if($i == $pages) break;
}
if($end <= $pages)
$res .= " <a href="".$path."page=".$end."">»</a>";
return $res;
}
function showerr($i) {
}
?> |
