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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 48-1. Using check_ip()
    require_once "Net_CheckIP/CheckIP.php";

    if (Net_CheckIP::check_ip("your_ip_goes_here")) {
        // Syntax of the IP is ok
    }

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