yii\db\ActiveRecordInterface::primaryKey PHP Method

ActiveRecordInterface Interface Documentation Show file Open project: yiisoft/yii2

primaryKey() public static method

Note that an array should be returned even when the record only has a single primary key. For the primary key **value** see ActiveRecordInterface::getPrimaryKey instead.
public static primaryKey ( ) : string[]
return string[] the primary key name(s) for this AR class. 
    public static function primaryKey();
ActiveRecordInterface
attributes
delete
deleteAll
equals
find
findAll
findOne
getAttribute
getDb
getIsNewRecord
getOldPrimaryKey
getPrimaryKey
getRelation
hasAttribute
insert
isPrimaryKey
link
populateRelation
primaryKey
save
setAttribute
unlink
update
updateAll