db\DataReader count()

count() public method

Returns the number of rows in the result set.

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 integer count ( )
return	integer	Number of rows contained in the result.

Links:

http://www.yiiframework.com/doc-2.0/yii-db-datareader.html#count()-detail

doc_Yii

2016-10-30 16:58:01

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