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 (m.sbmmt.com) !