query)_PHP

MongoDB The code is as follows://Connect localhost:27017$cOnn= new Mongo(); //Default port for connecting to the remote host$cOnn= new Mongo(‘test.com’); //Connect to the remote host port 22011$cOnn= new Mongo(‘test.com:22011’); //MongoDB has a username and password$cOnn= new Mongo(“mongodb://${username}:${password}@localhost”) //MongoDB has a username and password and specifies the database blog$cOnn= new Mongo(“mongodb://${username}:${password}@localhost/blog”); //Multiple servers$cOnn= new Mongo(“mongodb://localhost:27017,localhost:27018”);//Select database blog$db = $conn-> blog;//Specify the result set (table name: users)$collection = $db->users;//Newly added$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 one$user = $collection->findOne(array(‘name’ => ‘caleng’), array(’email’)); var_dump($user);//Close the database$conn->close();