Convert IP to number, convert number to IP_PHP tutorial

echo $a=ip2long ("202.97.224.68");
echo "
-
";
echo long2ip ($a);

Note: There is something to note here. Probably because PHP cannot correctly determine the converted number type, negative numbers appear.

At this time, you can use bindec(decbin(ip2long($IP))) to process it.

http://www.bkjia.com/PHPjc/486453.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/486453.htmlTechArticleecho $a=ip2long (202.97.224.68); echo br /-br /; echo long2ip ($a) ; Note: There is something to note here. Probably because PHP cannot correctly determine the converted number type, negative...