php簡單防刷計(jì)數(shù)器-PHP實(shí)例

    [導(dǎo)讀] php簡單防刷計(jì)數(shù)器,lt;?phprequire_once'config.php';functioncounter{nbsp;session_start;nbsp;
    $sql=selectcounterfromcounter;nbsp;$result=@MySQL_query$sql;nbsp;if!empty$resultnbsp;{nbsp;$row=mysql_fetch_array$result;nbsp;$counter=++$row[co...
    <?php
    require_once('config.php');
    function counter()
    {
    session_start();
    $sql="select counter from counter";
    );
    if(!empty($result))
    {
    $row=mysql_fetch_array($result);
    $counter=++$row[counter];
    if(!$_SESSION['counter'])
    {
    $query="update counter set counter=$counter";
    );
    if($result)
    {
    $_SESSION['counter']=true;
    }
    }
    $counter_len=strlen($counter);
    for($i=0;$i<$counter_len;$i++)
    {
    $number=substr($counter,$i,1);
    if(isset($number))
    {
    echo "<img src='image/".$number.".gif'>";
    }
    }
    }
    }
    ?>