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Adding Multiple Documents

In order to do more interesting things with queries, let's add multiple simple documents to the collection. These documents will just be of the form array( "i" => value ); and we can do this fairly efficiently in a loop:

= new MongoClient();
$collection $connection->database->collectionName;

for ( 
$i 0$i 100$i++ )
$collection->insert( array( 'i' => $i"field{$i}=> $i ) );

Notice that we can insert arrays with different keys into the same collection. This aspect is what we mean when we say that MongoDB is "schema-free". In the example above each document has an i field, but also a field name in the form of field + $i.

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