$collection public read-only property Collection instance. public yii\mongodb\Collection getCollection ( $db = null )

cancel() public method Cancels the execution of the SQL statement. This method mainly sets $pdoStatement to be null. public void cancel ( )

$validatingCssClass public property The CSS class that is added to a field container when the associated attribute is being validated. public string $validatingCssClass = 'validating'

open() public method Establishes a Mongo connection. It does nothing if a MongoDB connection has already been established. public void open ( )throws yii\mongodb\Exception if connection fails

getOldPrimaryKey() public method Returns the old primary key value(s). This refers to the primary key value that is populated into the record after executing a find method (e.g. find(), findOne()). The value remains unchanged even if the primary key attribute is manually assigned with a different value. public mixed getOldPrimaryKey ( $asArray = false )$asArray boolean Whether to return the primary key value as an array. If true, the return value will be an array with column name as key

$messageConfig public property The configuration that should be applied to any newly created email message instance by createMessage() or compose(). Any valid property defined by yii\mail\MessageInterface can be configured, such as from, to, subject, textBody, htmlBody, etc. For example: [ 'charset' => 'UTF-8', 'from' => 'noreply@mydomain.com', 'bcc' => 'developer@mydomain.com', ] public array $messageConfig = []

$format public property In which format should the value of each data model be displayed as (e.g. "raw", "text", "html", ['date', 'php:Y-m-d']). Supported formats are determined by the formatter used by the yii\grid\GridView. Default format is "text" which will format the value as an HTML-encoded plain text when yii\i18n\Formatter is used as the formatter of the GridView. public string|array $format = 'text'

__isset() public method Checks if a property value is null. This method overrides the parent implementation by checking if the named attribute is null or not. public boolean __isset ( $name )$name string The property name or the event name return boolean Whether the property value is null

__construct() public method Constructor. public void __construct ( $message = null, $code = 0, Exception $previous = null )$message string Error message $code integer Error code $previous Exception The previous exception used for the exception chaining.

dropCommentFromColumn() public method (available since version 2.0.8) Builds a SQL command for adding comment to column public string dropCommentFromColumn ( $table, $column )$table string The table whose column is to be commented. The table name will be properly quoted by the method. $column string The name of the column to be commented. The column name will be properly quoted by the method. return string The SQL statement for adding comment on column