Class yii\db\conditions\ExistsCondition
| Inheritance | yii\db\conditions\ExistsCondition | 
|---|---|
| Implements | yii\db\conditions\ConditionInterface | 
| Available since version | 2.0.14 | 
| Source Code | https://github.com/yiisoft/yii2/blob/master/framework/db/conditions/ExistsCondition.php | 
Condition that represents EXISTS operator.
Public Methods
| Method | Description | Defined By | 
|---|---|---|
| __construct() | ExistsCondition constructor. | yii\db\conditions\ExistsCondition | 
| fromArrayDefinition() | Creates object by array-definition as described in Query Builder – Operator format guide article. | yii\db\conditions\ExistsCondition | 
| getOperator() | yii\db\conditions\ExistsCondition | |
| getQuery() | yii\db\conditions\ExistsCondition | 
Method Details
ExistsCondition constructor.
| public void __construct ( $operator, $query ) | ||
| $operator | string | The operator to use (e.g.  | 
| $query | yii\db\Query | The yii\db\Query object representing the sub-query. | 
Creates object by array-definition as described in Query Builder – Operator format guide article.
| public static $this fromArrayDefinition ( $operator, $operands ) | ||
| $operator | string | Operator in uppercase. | 
| $operands | array | Array of corresponding operands | 
| throws | yii\base\InvalidParamException | if input parameters are not suitable for this condition | 
|---|---|---|
| public string getOperator ( ) | 
| public yii\db\Query getQuery ( ) |