public function ClosureExpressionVisitor::walkComparison in Plug 7

Converts a comparison expression into the target query language output.

Parameters

Comparison $comparison:

Return value

mixed

Overrides ExpressionVisitor::walkComparison

File

lib/doctrine/collections/lib/Doctrine/Common/Collections/Expr/ClosureExpressionVisitor.php, line 107

Class

ClosureExpressionVisitor

Walks an expression graph and turns it into a PHP closure.

Namespace

Doctrine\Common\Collections\Expr

Code

public function walkComparison(Comparison $comparison) {
  $field = $comparison
    ->getField();
  $value = $comparison
    ->getValue()
    ->getValue();

  // shortcut for walkValue()
  switch ($comparison
    ->getOperator()) {
    case Comparison::EQ:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) === $value;
      };
    case Comparison::NEQ:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) !== $value;
      };
    case Comparison::LT:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) < $value;
      };
    case Comparison::LTE:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) <= $value;
      };
    case Comparison::GT:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) > $value;
      };
    case Comparison::GTE:
      return function ($object) use ($field, $value) {
        return ClosureExpressionVisitor::getObjectFieldValue($object, $field) >= $value;
      };
    case Comparison::IN:
      return function ($object) use ($field, $value) {
        return in_array(ClosureExpressionVisitor::getObjectFieldValue($object, $field), $value);
      };
    case Comparison::NIN:
      return function ($object) use ($field, $value) {
        return !in_array(ClosureExpressionVisitor::getObjectFieldValue($object, $field), $value);
      };
    case Comparison::CONTAINS:
      return function ($object) use ($field, $value) {
        return false !== strpos(ClosureExpressionVisitor::getObjectFieldValue($object, $field), $value);
      };
    default:
      throw new \RuntimeException("Unknown comparison operator: " . $comparison
        ->getOperator());
  }
}