Home >php教程 >php手册 >PHP中动态显示签名和ip原理

PHP中动态显示签名和ip原理

WBOY
WBOYOriginal
2016-06-13 12:32:13977browse

//包含一个计数器,一个提醒语句,用户ip以及自己的广告图片。
//给浏览器发送头,说我是张图片
Header("Content-type: image/PNG");
//这里定义计数器,放到一个文件里的
$Visited=array();
if (!file_exists("Counter"))
{
for($i=0;$i$Visited[$i]=0;
$str=$Visited[0];
for($i=1;$i$str.=",$Visited[$i]";
$fp=fopen("Counter","w"); 
fputs($fp,$str);
fclose($fp);
}
else
{
$fp=fopen("Counter","r"); 
$str=trim(fgets($fp,100));
$Visited=explode(",",$str);
fclose($fp);
}
$Visited[date("G")]=intval($Visited[date("G")])+1;
$str=$Visited[0];
$max=intval($Visited[0]);
for($i=1;$i{
$str.=",$Visited[$i]";
if($max$max=intval($Visited[$i]);
}
$fp=fopen("Counter","w");
fputs($fp,$str);
fclose($fp);
$sum=0;
for($i=0;$i{
$sum+=$Visited[$i];
}
//计数器结束
//开始创建图片定义颜色字体等 
$im = imagecreate(400,100); 
$black = ImageColorAllocate($im, 0,0,0); 
$white = ImageColorAllocate($im, 255,255,255); 
$red = ImageColorAllocate($im, 255,0,0); 
$blue = ImageColorAllocate($im, 0,0,255); 
$font=5; 
$maginx=20;
$maginy=20;
//定义ip和主机名,当然是用户端的
$ip = getenv('REMOTE_ADDR');
$host = gethostbyaddr($ip);
$today = getdate(); 
$wday = $today['wday']; 
//提醒片断,是周末则好不是周末则提醒上课
if($wday==6 || $wday==0){
 $tips = "enjoy the wonderful weekend!";
}else{
 $tips = "you'd better go to school.";
}
if($wday ==1){
 $wday = "Monday";
} elseif ($wday==2){
 $wday="Tuesday";
} elseif ($wday==3){
 $wday="Wednsday";
} elseif ($wday==4){
 $wday="Thursday";
} elseif ($wday==5){
 $wday="Friday";
} elseif ($wday==6){
 $wday="Saturday";
} elseif ($wday==0){
 $wday="Sunday";
}
//开始创建图像背景边框
imagefill($im,0,0,$black);
imagefilledrectangle ($im, 1, 1, 398, 98, $white);
//定义画笔
$style = array ($white,$white,$white,$white,$white,$white,$white,$white,$white,$red);
imagesetstyle ($im, $style);
//有个运动效果就用笔刷来刷了,相当于photoshop中的画笔工具也
//ads是我自己的广告图
$brush = imagecreatefrompng ("http://172.24.16.80/testpic/smile1.png");
$brush1 = imagecreatefrompng ("http://172.24.16.80/testpic/ads.png");
$w2 = imagecolorallocate($brush,255,255,255);
imagecolortransparent ($brush, $w2);
imagesetbrush ($im, $brush);
imageline ($im, 350,20,360,20, IMG_COLOR_STYLEDBRUSHED);
imagecopy ($im, $brush1, 270, 40, 0, 0, 119, 48);

//定义输出文字 
imagestring($im,$font,$maginx,$maginy+20,"Your computer's named:{$host}",$red);
imagestring($im,$font,$maginx,$maginy,"Your IP Address is:{$ip}",$red);
imagestring($im,2,2,2,"Today is {$wday} and {$tips}",$blue);
imagestring($im,3,10,$maginy+40,"TotalRefreshTimesFromToday:$sum",$blue);

//图片结尾必然语句
ImagePNG($im); 
ImageDestroy($im); 
?>

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn