<?php
/*******************************************************
Author: Wu Zhenhen (Biz)--phpscript
E-mail:wuzhenheng@china.com
web:http://phpscript.osh.com.cn
FileName: AdRotator.class.php3
Copyright Notice:
If you use this document, please write an e-mail to the author
Please contact the author if you have any questions
Thank you for your attention!
********************************************************/
/*
Advertising Bar Management Program
Public method
GetAdvertisement ($adfile)
Parameters
target=
Width=
height=
Border=
redirect=
*/
Class AdRotator {
var $Target = "_blank";
var $Width = "460";
var $Height = "60";
var $Border = 0;
var $Redirect = "";
var $BannerData =array ();
var $RandTemp = 1;
function AdRotator ()
{
}
/*
Public
Returns the link string for the advertisement
*/
function GetAdvertisement ($adfile)
{
if (count ($this->bannerdata) ==0)
{
$this->bannerdata= $this->readadfile ($adfile);
}
$AdData = $this->bannerdata;
$uplimited =count ($AdData);
Randomly generate an ID
Srand (Double) microtime () *1000000000000000000);
$id = @rand (1, $uplimited);
while ($this->randtemp== $id)
{
Srand (Double) microtime () *1000000000000000000);
$id = @rand (1,count ($AdData));
$id = @rand (1, $uplimited);
}
$this->randtemp= $id;
echo $id;
echo count ($AdData);
echo $AdData [5]["image"];
$LinkString = "<a href=" ". $this->redirect;
$LinkString. = "Url=". $AdData [$id] ["url"];
$LinkString. = "" target= "". $this->target;
$LinkString. = "Title=" ". $AdData [$id] [" Title "];
$LinkString. = ">";
$LinkString. = "border;
$LinkString. = "Src=" "". $AdData [$id] ["image"];
$LinkString. = "" Width= "". $this->width;
$LinkString. = "" height= "". $this->height;
$LinkString. = ">";
$LinkString. = "</a>";
Echo $LinkString;
return $LinkString;
}
/*
Private
Basic settings for reading into files
*/
function Readadfile ($adfile)
{
$FP =fopen ($adfile, "R");
while ($buffer = @fgets ($FP, 1024))
{
if (!eregi ("#", $buffer))
{
if (eregi ("^*", $buffer))
{
$switchto = "Off";
}
$SetTemp =split ("=", $buffer);
if ($switchto = = "")
{
switch ($SetTemp [0])
{
Case "REDIRECT":
$this->redirect= $SetTemp [1];
Break
Case "WIDTH":
$this->width= $SetTemp [1];
Break
Case "HEIGHT":
$this->height= $SetTemp [1];
Break
Case "BORDER":
$this->border= $SetTemp [1];
Break
Case "TARGET":
$this->target= $SetTemp [1];
Break
}
}
Else
{
switch ($SetTemp [0])
{
Case "image":
$i + +;
$BannerData [$i] ["Image"]= $SetTemp [1];
echo "<br>"; echo $buffer; echo $SetTemp [1];
echo $BannerData [$i] ["image"];
Break
Case "url":
$BannerData [$i] ["url"]= $SetTemp [1];
Break
Case "title":
$BannerData [$i] ["title"]= $SetTemp [1];
Break
Case "rate":
$BannerData [$i] ["Rate"]= $SetTemp [1];
Break
}//end of Switch
}//end of If ($switch)
}//end of If (#)
}//end of While
return $BannerData;
}//end of function
}//end of Class
/*
How to use
Advertising settings File writing format Banner.txt
------Start---
Redirect=./adredir.asp
width=468
Height=60
Border=0
*
#注释
#某某公司广告1
Image=.. /banner/1.gif
Url=http://www.asps0ite.com1
Title=one
Rate=30
----End-----
Description
Similar to ASP's advertising component
* Indicates the setting, others are the picture's setting #: Indicates a comment
----Use-----
$banner =new AdRotator ();
echo $banner->getadvertisement ("./banner.txt");
echo $banner->getadvertisement ("./banner.txt");
echo $banner->getadvertisement ("./banner.txt");
*/
?>
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