db\MigrationInterface down()

down() public abstract method

This method contains the logic to be executed when removing this migration.

The default implementation throws an exception indicating the migration cannot be removed.

public abstract boolean down ( )
return boolean

Return a false value to indicate the migration fails and should not proceed further. All other return values mean the migration succeeds.

doc_Yii
2016-10-30 16:58:15
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