view twitter time line at command line (witten by php)

cmd_twitter.php

#!/usr/local/bin/php

<?php
$user_id = $argv[1];
if ($user_id) {
    $url = 'https://twitter.com/statuses/user_timeline.json?id=' . $user_id;
    $tweet = file_get_contents($url);
    $tweet = json_decode($tweet);
    foreach($tweet as $v) {
        echo $v->text . "\n";
    }
} else {
    echo "please enter argv \n";
}