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- <?php
- namespace yii\db\conditions;
- use yii\db\ExpressionBuilderInterface;
- use yii\db\ExpressionBuilderTrait;
- use yii\db\ExpressionInterface;
- class ConjunctionConditionBuilder implements ExpressionBuilderInterface
- {
- use ExpressionBuilderTrait;
-
- public function build(ExpressionInterface $condition, array &$params = [])
- {
- $parts = $this->buildExpressionsFrom($condition, $params);
- if (empty($parts)) {
- return '';
- }
- if (count($parts) === 1) {
- return reset($parts);
- }
- return '(' . implode(") {$condition->getOperator()} (", $parts) . ')';
- }
-
- private function buildExpressionsFrom(ExpressionInterface $condition, &$params = [])
- {
- $parts = [];
- foreach ($condition->getExpressions() as $condition) {
- if (is_array($condition)) {
- $condition = $this->queryBuilder->buildCondition($condition, $params);
- }
- if ($condition instanceof ExpressionInterface) {
- $condition = $this->queryBuilder->buildExpression($condition, $params);
- }
- if ($condition !== '') {
- $parts[] = $condition;
- }
- }
- return $parts;
- }
- }
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