• check_ip()
Net_CheckIP (Previous) (Next) Net_DNS
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Net_CheckIP::check_ip()

Net_CheckIP::check_ip() -- Validation of IPv4 addresses

Synopsis

require_once 'Net/CheckIP.php';

boolean Net_CheckIP::check_ip (string $ip)

Description

This function can validate if a given string has a valid IPv4 syntax.

Parameter

  • string $ip - the IP address to check

Return value

boolean - TRUE, if syntax is valid

Note

This function can be called statically.

Example

Example 54-1. Using check_ip()


<?php
require_once "Net_CheckIP/CheckIP.php";

if (Net_CheckIP::check_ip("your_ip_goes_here")) {
    // Syntax of the IP is ok
}
?>
Net_CheckIP (Previous) (Next) Net_DNS
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