The arguments can be any valid expression as long as they each resolve to an array.
public setIntersection ( mixed | self $expression1, mixed | self $expression2 ) | ||
$expression1 | mixed | self | |
$expression2 | mixed | self |
/** * Takes two or more arrays and returns an array that contains the elements * that appear in every input array. * * The arguments can be any valid expression as long as they each resolve to an array. * * @see http://docs.mongodb.org/manual/reference/operator/aggregation/setIntersection/ * @see Expr::setIntersection * @param mixed|Expr $expression1 * @param mixed|Expr $expression2 * @param mixed|Expr $expression3,... Additional sets * @return $this */ public function setIntersection($expression1, $expression2) { $this->expr->setIntersection(...func_get_args()); return $this; }