how can i show the number of visitors [closed]
<form action='' method='post'/>
<table  dir='rtl' width='100%' cellpadding='0' cellspacing='0'>
<tr>

<td valign='top' width='75%' >

    <?php
    $getidtopic=$_GET['id_topic'];
    $shownews=mysql_query("select * from topics where id_topic='$getidtopic'");
    $row=mysql_fetch_object($shownews);
    echo "<div id='title'>$row->topic_title</div>";

     ;?>


    <?php
    if ($_REQUEST['full']=='news'){
    $getidtopic=$_GET['id_topic'];
    $shownews=mysql_query("select * from topics where id_topic='$getidtopic'");
    $show_section_in_topic=mysql_query("
    select sections.sec_name,sections.id_sec ,topics.topic_title from sections,topics where sections.id_sec=topics.topic_sec
    and topics.id_topic='$getidtopic'
    ")or die (mysql_error());

    while ($sec_name1=mysql_fetch_object($show_section_in_topic)){
    $section_id=$sec_name1->id_sec;
    $section_name=$sec_name1->sec_name;
    $sec_in_topic="<a href='display_sec.php?id_sec=$section_id'>$section_name</a>";
    }


    $row=mysql_fetch_object($shownews);
    echo "<br/>";
    echo "<div id='news'>
    <span style='color:red'> published :</span> $row->date &nbsp
    <span style='color:red'>section :</span> $sec_in_topic



    <br/>
    <br/>




    $row->topic
    <a href='index.php'><span style='color:red'>back -> </span></a>

    </div>

    ";

    mysql_free_result($shownews);


    }


    ?>











    <?php

    $local='localhost';
    $user='root';
    $pass='root';
    $database='a_database';

    mysql_connect($local,$user,$pass);
    mysql_select_db($database);

    $user_ip=$_SERVER['REMOTE_ADDR'];



    function ip_exists($ip){
    global $user_ip;
    $query="select `ip` from  `hits_ip` where `ip`='$user_ip'";
    $query_run=mysql_query($query);
    $mysql_num_rows=mysql_num_rows($query_run);
    if ($mysql_num_rows==0){
    return false;
    }else if ($mysql_num_rows>=1){
    return true;
    }
    }


    function ip_add ($ip){
    $query="insert into `hits_ip` values('$ip')";
    $query_run=mysql_query($query);
    }




    function update_count(){
    $query="select `count` from `hits_count`";
    if ($query_run=mysql_query($query)){
    $count=mysql_result($query_run,0,'count');
    $count_inc=$count+1;
    $query_update="update `hits_count` set count='$count_inc'";
    $mysql_update_run=mysql_query($query_update);

    }
    }


    if (!ip_exists($user_ip)){
    update_count();
    ip_add($user_ip);

    }

    $count_field="select `count` from `hits_count`";
    $run_count_field=mysql_query($count_field)or die (mysql_error());
    echo $num_f=mysql_num_rows($run_count_field);



    ?>

<?php

$local='localhost';
$user='root';
$pass='root';
$database='a_database';

mysql_connect($local,$user,$pass);
mysql_select_db($database);

$user_ip=$_SERVER['REMOTE_ADDR'];



function ip_exists($ip){
global $user_ip;
$query="select `ip` from  `hits_ip` where `ip`='$user_ip'";
$query_run=mysql_query($query);
$mysql_num_rows=mysql_num_rows($query_run);
if ($mysql_num_rows==0){
return false;
}else if ($mysql_num_rows>=1){
return true;
}
}


function ip_add ($ip){
$query="insert into `hits_ip` values('$ip')";
$query_run=mysql_query($query);
}




function update_count(){
$query="select `count` from `hits_count`";
if ($query_run=mysql_query($query)){
$count=mysql_result($query_run,0,'count');
$count_inc=$count+1;
$query_update="update `hits_count` set count='$count_inc'";
$mysql_update_run=mysql_query($query_update);

}
}


if (!ip_exists($user_ip)){
update_count();
ip_add($user_ip);

}

$count_field="select `count` from `hits_count`";
$run_count_field=mysql_query($count_field)or die (mysql_error());
echo $num_f=mysql_num_rows($run_count_field);



?>