Revert doc changes to improve readability

Author: GromNaN

docs/reference/method/MongoDBClient-selectCollection.txt

@@ -72,7 +72,7 @@ with a custom read preference:
        'test',
        'users',
        [
-           'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+           'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
        ]
    );
 

docs/reference/method/MongoDBClient-selectDatabase.txt

@@ -71,7 +71,7 @@ preference:
    $db = $client->selectDatabase(
        'test',
        [
-           'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+           'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
        ]
    );
 

docs/reference/method/MongoDBCollection-getReadPreference.txt

@@ -37,7 +37,7 @@ Example
    <?php
 
    $collection = (new MongoDB\Client)->selectCollection('test', 'users', [
-       'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+       'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
    var_dump($collection->getReadPreference());

docs/reference/method/MongoDBCollection-withOptions.txt

@@ -52,7 +52,7 @@ preference:
    $collection = (new MongoDB\Client)->selectCollection('test', 'restaurants');
 
    $newCollection = $sourceCollection->withOptions([
-       'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+       'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
 See Also

docs/reference/method/MongoDBDatabase-getReadPreference.txt

@@ -37,7 +37,7 @@ Example
    <?php
 
    $database = (new MongoDB\Client)->selectDatabase('test', [
-       'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+       'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
    var_dump($database->getReadPreference());

docs/reference/method/MongoDBDatabase-selectCollection.txt

@@ -71,7 +71,7 @@ database with a custom read preference:
    $users = $db->selectCollection(
        'users',
        [
-           'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+           'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
        ]
    );
 

docs/reference/method/MongoDBDatabase-selectGridFSBucket.txt

@@ -71,7 +71,7 @@ database with a custom read preference:
 
    $imagesBucket = $db->selectGridFSBucket([
        'bucketName' => 'images',
-       'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+       'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
 See Also

docs/reference/method/MongoDBDatabase-withOptions.txt

@@ -52,7 +52,7 @@ preference:
    $db = (new MongoDB\Client)->test;
 
    $newDb = $db->withOptions([
-       'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+       'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
 See Also

docs/reference/method/MongoDBGridFSBucket-getReadPreference.txt

@@ -38,7 +38,7 @@ Example
 
    $database = (new MongoDB\Client)->selectDatabase('test');
    $bucket = $database->selectGridFSBucket([
-      'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED),
+      'readPreference' => new MongoDB\Driver\ReadPreference('primaryPreferred'),
    ]);
 
    var_dump($bucket->getReadPreference());

docs/tutorial/commands.txt

@@ -131,7 +131,7 @@ preference when executing the ``createUser`` command on the ``test`` database:
            'roles' => ['readWrite'],
        ],
        [
-           'readPreference' => new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY),
+           'readPreference' => new MongoDB\Driver\ReadPreference('primary'),
        ]
    );