php分页函数

//------------------------------------------------------分页
function page($num,$line,$offset,$search)
{
$page=ceil($num/$line);
$offset1=$offset+1;
echo"共<font>$num</font>条记录&nbsp;&nbsp;页次：$offset1/$page&nbsp;&nbsp;";
if($offset)
{echo"<a href=$php_self?page=0$search>首页</a>";}
else
{echo"首页";}
echo"&nbsp;&nbsp;";
if($offset)
{$reoffset=$offset-1;
echo"<a href=$php_self?page=$reoffset$search>上一页</a>";}
else
{echo"上一页";}
echo"&nbsp;&nbsp;";
if($offset<$page-1)
{$reoffset=$offset+1;
echo"<a href=$php_self?page=$reoffset$search>下一页</a>";
}
else
{echo"下一页";
}
echo"&nbsp;&nbsp;";
if($offset==$page-1)
{echo"尾页";
}
else
{$pageend=$page-1;
echo"<a href=$php_self?page=$pageend$search>尾页</a>";
}
}