PHPRPC Code

<?php
$sqlite = new SQLiteDatabase('area.db');

function get_province() {
    global $sqlite;
    $sql = "select * from province order by id";
    return $sqlite->arrayQuery($sql, SQLITE_ASSOC);
}

function get_city($pid) {
    global $sqlite;
    $pid = sqlite_escape_string($pid);
    $sql = "select * from city where pid = $pid order by id";
    return $sqlite->arrayQuery($sql, SQLITE_ASSOC);
}
?>