How to implement statistics on the number of people online on a website in php, number of people online in php_PHP tutorial

How to use php to count the number of people online on a website, how many people are online in php

The example in this article describes how to use php to count the number of people online on a website. Share it with everyone for your reference. The specific implementation method is as follows:

 $val) {
  $val= trim($val);
  if ($val != "") {
  list($when, $seti) = explode("\t", $val);
  if ($seti ==$ip) {
   $arr[$key] = $time . "\t" . $seti;
   $flag = 1;
  } else {
   $currentTime = time();
   if ($currentTime - $when > 900) {
   unset($arr[$key]);
   }else{
   $arr[$key]=$val;
   }
  } 
  } 
 } 
 if ($flag == 0) {
  array_push($arr, $time . "\t" . $ip);
 } 
 $count = count($arr);
 $str = implode("\r\n", $arr);
 $str.="\r\n";
 writeover($fileCount, $str, 'w', 0);
 unset($arr);
 } 
 return $count;
} 
$time = time();
$ip = getIpAddress();
$online_num = count_online_num($time,$ip);
echo $online_num;
?>

The above is how PHP implements statistics on the number of people online on the website. The number of people online in PHP_PHP tutorial. For more related content, please pay attention to the PHP Chinese website (www.php.cn) !

http://www.bkjia.com/PHPjc/998558.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/998558.htmlTechArticlephp method to realize the statistics of the number of people online on the website, the number of people online in php The example in this article describes the method of using PHP to count the number of people online on a website. Share it with everyone for your reference. The specific implementation method is as follows...