我在 PHP 中有以下代码来连接到我的 MongoDB 实例:
$connection_string = "mongodb://XXXXXXX:XXXXXX@XXXXX:XXX/myDB";
$mongo_or = new Mongo($connection_string);
$db_or = $mongo_or->selectDB("myDB");
# Pick a collection
$collection_or = $db_or->myCollection;
$findArray = array('$and' => array('user.uid' => 1, 'friend_id' => 2));
$findArray2 = array('$and' => array('user.uid' => 2, 'friend_id' => 1));
$collection_or->remove($findArray);
$collection_or->remove($findArray2);
这永远不会删除任何结果 - 即使知道内容仍然存在,它也永远不会被删除。