Principle of dynamically displaying signature and IP in PHP_PHP tutorial

//Contains a counter, a reminder statement, user IP and its own advertising image.
//Send a header to the browser, saying I am a picture
Header("Content-type: image/PNG");
//Define the counter here and put it in a file
$Visited=array();
if (!file_exists("Counter"))
{
for($i=0;$i<24;$i++)
$Visited[$i ]=0;
$str=$Visited[0];
for($i=1;$i<24;$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<24;$i++)
{
$str.= ",$Visited[$i]";
if($max<=intval($Visited[$i]))
$max=intval($Visited[$i]);
}
$fp=fopen("Counter","w");
fputs($fp,$str);
fclose($fp);
$sum=0;
for( $i=0;$i<24;$i++)
{
$sum+=$Visited[$i];
}
//End of counter
//Start creating image definition Color font, etc.
$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;
//Define the ip and host name, of course the client's
$ip = getenv('REMOTE_ADDR');
$host = gethostbyaddr($ip);
$today = getdate();
$wday = $today['wday'];
//Reminder fragment, it is better if it is the weekend, not the weekend to remind class
if($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){
$wday ="Sunday";
}
//Start creating the image background border
imagefill($im,0,0,$black);
imagefilledrectangle ($im, 1, 1, 398, 98 , $white);
//Define brush
$style = array ($white,$white,$white,$white,$white,$white,$white,$white,$white,$red) ;
imagesetstyle ($im, $style);
//If there is a movement effect, I use a brush to brush it, which is equivalent to the brush tool in photoshop
//ads is my own advertising image
$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);

//Define the output text
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);

//Necessary statement at the end of the picture
ImagePNG($im);
ImageDestroy($im);
?>

http://www.bkjia.com/PHPjc/318244.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/318244.htmlTechArticle?php //Contains a counter, a reminder statement, user IP and its own advertising image. //Send a header to the browser, saying I am a picture Header("Content-type:image/PNG"); //Definition here...