pomoshnik2016

$sourceStream = fopen("/path/to/source.txt", "r");
$yesFileStream = fopen("/path/to/yes_keys.txt", "w");
$noFileStream = fopen("/path/to/no_keys.txt", "w");
if ($sourceStream && $yesFileStream && $noFileStream) {
    while (($buffer = fgets($sourceStream, 4096)) !== false) {
        $key = trim($buffer);
        $data = file_get_contents('http://mydomain.com/search.php?k=' . urlencode($key));
        if (strpos($data, 'yes') !== false) {
            fwrite($yesFileStream, $key . PHP_EOL);
        } else {
            fwrite($noFileStream, $key . PHP_EOL);
        }
    }
    fclose($sourceStream);
    fclose($yesFileStream);
    fclose($noFileStream);
}