06-13-2012
IPv4 string->int
Does anyone know how to convert a IP address given as 'string' into a 'u_int32_t'? Are there any build any functions already?
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LEARN ABOUT PHP
inet_ntop
INET_NTOP(3) 1 INET_NTOP(3)
inet_ntop - Converts a packed internet address to a human readable representation
SYNOPSIS
string inet_ntop (string $in_addr)
DESCRIPTION
This function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropri-
ate string representation.
PARAMETERS
o $in_addr
- A 32bit IPv4, or 128bit IPv6 address.
RETURN VALUES
Returns a string representation of the address or FALSE on failure.
EXAMPLES
Example #1
inet_ntop(3) Example
<?php
$packed = chr(127) . chr(0) . chr(0) . chr(1);
$expanded = inet_ntop($packed);
/* Outputs: 127.0.0.1 */
echo $expanded;
$packed = str_repeat(chr(0), 15) . chr(1);
$expanded = inet_ntop($packed);
/* Outputs: ::1 */
echo $expanded;
?>
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
+--------+---------------------------------------------------+
SEE ALSO
long2ip(3), ip2long(3), inet_pton(3).
PHP Documentation Group INET_NTOP(3)