Small console script for checking IP address

check-ip.php

#!/usr/bin/env php
<?php

error_reporting(E_ALL);
ini_set('display_errors', 'On');
set_time_limit(0);

$triesNumber = 5;
$timeout = 5;

do {
    $context = stream_context_create([
        'http' => [
            'timeout' => $timeout,
        ],
    ]);

    $content = @file_get_contents('http://45.76.25.15/', null, $context); // ipv4.icanhazip.com
    
    if (false === $content) {
        continue;
    }

    $content = rtrim($content);

    if (!filter_var($content, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
        continue;
    }

    echo "\033[0;92m", $content, "\033[0m\n";
    exit(0);
} while (-- $triesNumber);

echo "\033[0;91mn/a\033[0m\n";
exit(1);