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PHP long2Usage and Examples of ip() Function

PHP HTTP  Reference Manual

long2The ip() function converts a long integer to a string in the dotted internet standard format address (IPV4)。

Syntax

string long2ip ( string $proper_address )

Definition and Usage

It is used to convert long integer values to IPv4Address.

Return Value

Returns the IP address as a string

Parameter

NumberParameters and Description
1

proper_address

It contains the long integer value

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 following code converts an IP address to a long integer and converts a long integer to an IP address

835461728 49.204.34.96

PHP HTTP  Reference Manual