yii\db\DataReader::count PHP Метод

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count() публичный Метод

This method is required by the Countable interface. Note, most DBMS may not give a meaningful count. In this case, use "SELECT COUNT(*) FROM tableName" to obtain the number of rows.
public count ( ) : integer
Результат integer number of rows contained in the result. 
    public function count()
    {
        return $this->getRowCount();
    }
DataReader
__construct
bindColumn
close
count
current
getColumnCount
getIsClosed
getRowCount
key
next
nextResult
read
readAll
readColumn
readObject
rewind
setFetchMode
valid