Raspador de proxy. PHP

<?php

function getProxies($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $result = curl_exec($ch);
    curl_close($ch);
    return explode("\n", $result);
}

$httpsProxies = getProxies('https://api.proxyscrape.com/?request=displayproxies&proxytype=https&timeout=7000&country=ALL&anonymity=elite&ssl=no');
$httpProxies = getProxies('https://api.proxyscrape.com/?request=displayproxies&proxytype=http&timeout=7000&country=ALL&anonymity=elite&ssl=no');
$socks4Proxies = getProxies('https://www.proxy-list.download/api/v1/get?type=socks4');
$socks5Proxies = getProxies('https://www.proxy-list.download/api/v1/get?type=socks5');

file_put_contents('https.txt', implode("\n", $httpsProxies));
file_put_contents('http.txt', implode("\n", $httpProxies));
file_put_contents('socks4.txt', implode("\n", $socks4Proxies));
file_put_contents('socks5.txt', implode("\n", $socks5Proxies));

echo "All proxies successfully grabbed & saved\n";
?>