How can i use if condition in mongodb using php?

Question

I am new to mongodb but I know php so I want to implement both and develop a single page application using php and mongoDB.A sample code will be helpful for me like.CRUD Operation

Answer 1

Here is an example which I have used with mongo-php driver

$collection=$database->collectionName;
$uniqueVariable=$collection->find($StudentName);
if(count($uniqueVariable)==1)
{
 echo "Result set is already present with given student name";
}