<?php

try {
    $obj = new phdfs("127.0.0.1", "9000");
    $obj->connect();
    $log = $obj->create_directory('/a/b/c/');
} catch (Exception $ex) {
    var_dump($ex->getMessage());
}
<?php

try {
    $obj = new phdfs("127.0.0.1", "9000");
    $log = $obj->connect();
} catch (Exception $ex) {
    var_dump($ex->getMessage());
}
?>