PHP long2Usage and examples of ip() function

PHP HTTP 　reference manual

long2The ip() function converts a long integer to a string format with dots in the Internet standard format address (IPV4)。

Syntax

string　long2ip　(　string　$proper_address　)

Definition and usage

It is used to convert the long integer value to Ipv4Address.

Return value

Returns the IP address in string form

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 the IP address to a long integer and converts the long integer to an IP address

835461728　49.204.34.96

PHP HTTP 　reference manual