Max

proc_open("php child_script.php --started_from_parent=yes" ...)

function someFunc($arg = null) {
 return !empty($arg) ? $anyValue : $anotherValue;
}

$query = "SELECT country_name_ru FROM countries LIMIT 220";
$result = mysqli_query($link, $query);
while( $row = mysqli_fetch_array($result) )
{
   echo '<option>'.$row[$i].'</option>';
}