A simple graphical counter_PHP tutorial-PHP Tutorial-php.cn

A simple graphical counter_PHP tutorial

WBOY

Release： 2016-07-13 17:31:36

Original

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Requires MySQL (the best combination with PHP) , GD support, php under LINUX (as the current mainstream development language) 4RC1 passed, this is also the system I built Currently in use.
(as the current mainstream development language)
/***
The hit_count table has only one field hit_count
page_visit_record table is used to control an IP to only generate one counter beat in a day
CREATE TABLE page_visit_record (
visit_time datetime DEFAULT 0000-00-00 00:00: 00 NOT NULL,
remote_addr char(15) NOT NULL,
visit_page char(60) NOT NULL,
KEY visit_time (visit_time, visit_page),
Prima(the most complete virtual host Management system)RY KEY (visit_time)
);
***/
include("config.inc.php(as Current mainstream development languages)3");
$query="select count(*) as tong from page_visit_record where remote_addr=$REMOTE_ADDR and date_format(visit_time,%Y-%m-%d)=curdate ()";
$result=@MySQL(The best combination with PHP)_query($query,$dbconnect);
$has_count=@MySQL(with PHP The best combination)_result($result,0,"tong");
@MySQL(The best combination with PHP)_query("lock tables hit_count write", $dbconnect);
$query="select * from hit_count";
$result=@MySQL(The best combination with PHP)_query($query,$dbconnect);
if(@MySQL(The best combination with PHP)_num_rows($result)>0){
$cur_count=@MySQL(The best combination with PHP )_result($result,0,"hit_count");
if($has_count==0){
$cur_count++;
$query="update hit_count set hit_count=$cur_count";
         @MySQL (The best combination with PHP)_query($query,$dbconnect);
    }
     @MySQL (The best combination with PHP) _query("unlock tables",$dbconnect);
}
else{
$cur_count=1;
$query="insert into hit_count (hit_count) values ($cur_count)" ;
@MySQL(The best combination with PHP)_query($query,$dbconnect);
@MySQL(The best combination with PHP) _query("unlock tables",$dbconnect);
}
while(strlen($cur_count)<8)
$cur_count="0$cur_count";

$visit_time= date("Y-m-d H:i:s");
$query="insert into page_visit_record (visit_time,remote_addr,visit_page) values ($visit_time,$REMOTE_ADDR,$page)";
@MySQL (The best combination with PHP)_query($query,$dbconnect);

Header("Content-type: image/gif");
$im = imagecreate(56, 16);
$black = ImageColorAllocate($im, 0,0,0);
$blue = ImageColorAllocate($im, 0,0,255);
$white = ImageColorAllocate($im, 255,255,255) ;
$yellow = ImageColorAllocate($im, 255,255,0);
imagerectangle($im, 0, 0, 54, 14, $blue);
//imagestring($im, 2, 4 , 1, $cur_count, $yellow);
imagestring($im, 2, 4, 1, $cur_count, $yellow);
ImageGif($im);
ImageDestroy($im);

?>