PHP long2ip() function usage and example

PHP HTTP 　reference manual

The long2ip() function converts a long integer to a string with dots in the Internet standard format address (IPV4).

Syntax

string　long2ip　(　string　$proper_address　)

Definition and usage

It is used to convert a long integer value to an IPv4 address.

Return value

Returns the IP address in string format

Parameter

Online example

Try the following example

<?php
　　$ip　=　"49.204.34.96";
　　$s32int　=　ip2long($ip);
　　$us32str　=　sprintf("眻,$s32int);
　　
　　printf("%s　%s",$us32str,long2ip(-(4294967296-$us32str)));
?>

The above code converts IP address to a long integer and converts a long integer to an IP address

835461728　49.204.34.96

PHP HTTP 　reference manual