couchbase - bucket insert

<?php

$cb = new CouchbaseCluster("IP");
$db = $cb->openBucket("BUCKET");



try {
    $db->upsert('testphpjson', json_encode(array('type'=>'json')));
    $db->upsert('testphparray', array('type'=>'array'));
    $db->upsert('testphpstring', "string");
} catch (Exception $e) {
    echo "ERROR: $e\n";
}


foreach ( array("javabinary","javaserial","javaarray","javajson","javajsonstring","javalegacy","javarawjson","javastring",
    "testphpjson","testphparray","testphpstring") as $s) {
    try {
        $o = $db->get($s);
        echo "============================\n";
        echo "$s\n\n";
        print_r($o);
    } catch (Exception $e) {
        echo "ERROR: $s ============================\n";
    }
}