PHP Operations MongoDB Basic Tutorials (Connect, add, modify, delete, query) _php instances

Copy Code code as follows:

Connect localhost:27017
$conn = new Mongo ();

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

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

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

MongoDB has a username 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;
Develop result sets (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 Database
$conn->close ();