Querying: $gte
demo->cities;
$c->insert( [ "name" => "Buenos Aires", "population" => 13076300 ] );
$c->insert( [ "name" => "Dhaka", "population" => 10356500 ] );
$c->insert( [ "name" => "São Paulo", "population" => 10021295 ] );
$c->insert( [ "name" => "Shanghai", "population" => 14608512 ] );
$c->insert( [ "name" => "Delhi", "population" => 10927986 ] );
$c->insert( [ "name" => "Mumbai", "population" => 12691836 ] );
$c->insert( [ "name" => "Seoul", "population" => 10349312 ] );
$c->insert( [ "name" => "Mexico City", "population" => 12294193 ] );
?>]]>
Find cities with more than 12 million inhabitants.
demo->cities;
$r = $c->find(
// query
[ 'population' => [ '$gte' => 12000000 ] ],
// projection
[ 'name' => 1, 'population' => 1, '_id' => 0 ]
);
foreach( $r as $res )
{
echo $res['name'], ': ', $res['population'], "\n";
}]]>