socks.php

<?php

$host = $argv[1];
$port = $argv[2];
$timeout = ini_get('default_socket_timeout') ?: 1;
$fileName = 'result.json';
$portRange = explode('-', $port);
$ports = range($portRange[0], $portRange[1]);

function socket_scan(string $host, int $port, int $timeout = 1) : bool
{
    $errstr = $errno = null;
    if ($sock = @fsockopen($host, $port, $errno, $errstr, $timeout)) {
        stream_set_blocking($sock, false);
        fclose($sock);
    }
    return (bool)$sock;
}

foreach ($ports as $port) {
    if (socket_scan($host, $port, $timeout)) {
        echo sprintf('%s:%d is open%s', $host, $port, PHP_EOL);
        $result['host'][$host]['port'][$port]['status'] = 'open';
    } else {
        echo sprintf('%s:%d is closed%s', $host, $port, PHP_EOL);
        $result['host'][$host]['port'][$port]['status'] = 'closed';
    }
}

$jsonResult = json_encode($result, JSON_PRETTY_PRINT);
$fp = fopen($fileName, 'a');
fprintf($fp, $jsonResult);
fclose($fp);