PHP Operation MongoDB Basic Tutorial (connect, add, modify, delete, query) _php instance

Copy CodeThe code is as follows:
Connection localhost:27017
$conn = new Mongo ();

Connecting the remote host default port
$conn = new Mongo (' test.com ');

Connecting remote host 22011 ports
$conn = new Mongo (' test.com:22011 ');

MongoDB has user name password
$conn = new Mongo ("Mongodb://${username}:${password} @localhost")

MongoDB has a user name password and specifies a database blog
$conn = new Mongo ("Mongodb://${username}:${password} @localhost/blog");

Multiple servers
$conn = new Mongo ("mongodb://localhost:27017,localhost:27018");
Select Database Blog
$db = $conn->blog;
Make result set (table name: Users)
$collection = $db->users;
New
$user = Array (' name ' = ' Caleng ', ' email ' = ' admin#admin.com ');
$collection->insert ($user);
Modify
$newdata = Array (' $set ' = = Array ("email" = "test@test.com"));
$collection->update (Array ("name" = "Caleng"), $newdata);
Delete
$collection->remove (Array (' name ' = ' Caleng '), Array ("justone" = true));
Find
$cursor = $collection->find ();
Var_dump ($cursor);
Find a
$user = $collection->findone (Array (' name ' = ' Caleng '), array (' email '));
Var_dump ($user);
Close the database
$conn->close ();

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