} catch (Exception $e) {
printf("Caught exception '%s', on line %d\n", $e->getMessage(), __LINE__);
exit;
}
try {
$result = $collection->deleteOne($document);
printf("Deleted: %d (out of expected 1)\n\n", $result->getDeletedCount());
$result = $collection->deleteMany(["citizen" => "Iceland"]);
printf("Deleted: %d (out of expected 2)\n\n", $result->getDeletedCount());
} catch (Exception $e) {
printf("Caught exception '%s', on line %d\n", $e->getMessage(), __LINE__);
exit;
}
try {
echo "FindOneAndReplace\n";
$result = $collection->findOneAndReplace($spassky, $kasparov, ["upsert" => true]);
echo "Kasparov\n";
var_dump($result);
echo "\n";
echo "Returning the old document where he was Russian\n";
$result = $collection->findOneAndUpdate($kasparov, ['$set' => ["citizen" => "Croatia"]]);
var_dump($result);
echo "\n";
echo "Deleting him, he isn't Croatian just yet\n";
$result = $collection->findOneAndDelete(["citizen" => "Croatia"]);
var_dump($result);
echo "\n";
echo "This should be empty\n";
$result = $collection->find();
foreach ($result as $document) {
var_dump($document);
