[英]how to check if a php variable containing an ip address, lies in the range of two ip addresses in inet_aton format
[英]How do i check if a php variable($stat_ip) containing an ip address(inet_aton) lies in the range of two ip's(inet_aton format)
//變量$ stat_ip位於表Hasoffers中,如果它位於列值network_start_ip和network_end_ip之間,它將位於另一個名為Blacklisted的表中。我需要編寫一個函數來幫助我通過訪問所有三。
<?php
include('adodb/adodb.inc.php');
mysql_connect("*****","***","***");
mysql_select_db("********");
$pl=mysql_query("SELECT stat_ip,stat_session_ip FROM Hasoffers");
$count=mysql_num_rows($pl)
while($row=mysql_fetch_array($pl))
{
$stat_ip=$row['stat_ip'];
echo fn($stat_ip)."<br>";
}
$bip=mysql_query("SELECT inet_aton(network_start_ip),inet_aton(network_end_ip) FROM blacklisted");
while($array=mysql_fetch_array($bip))
{
$start_ip=$array['network_Start_ip'];
$end_ip = $array['netwrok_end_ip'];
}
function fn($stat_ip)
{
$result =mysql_query('SELECT stat_ip FROM Hasoffers where ($stat_ip BETWEEN INET_ATON(network_start_ip) AND INET_ATON(network_end_ip)');
}
?>php
你可以在之間使用
SELECT inet_aton(network_start_ip),inet_aton(network_end_ip)
FROM blacklisted
WHERE your_ip_column BETWEEN INET_ATON(network_start_ip) AND INET_ATON(network_end_ip)
如果您在單個選擇中同時需要查詢,則可以在兩者之間使用左連接
SELECT a.stat_ip
FROM Hasoffers as a
LEFT JOIN blacklisted on as b on inet_aton(a.stat_ip)
between INET_ATON(b.network_start_ip) AND INET_ATON(b.network_end_ip)
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