yii2 determines whether the database field is null, as follows:
Related tutorial recommendations: yii framework
Example:
$query = new Query;
$query->select('ID, City,State,StudentName')
->from('student')
->where(['IsActive' => 1])
->andWhere(['not', ['City' => null]])
->andWhere(['not', ['State' => null]])
->orderBy(['rand()' => SORT_DESC])
->limit(10);For more programming-related content, please pay attention to the Programming Introduction column on the php Chinese website!
The above is the detailed content of yii2 determines that the database field is not empty. For more information, please follow other related articles on the PHP Chinese website!
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