The expressions can be any valid expression as long as they
resolve to an array.
public concatArrays ( mixed | self $array1, mixed | self $array2 ) | ||
$array1 | mixed | self | |
$array2 | mixed | self |
/** * Concatenates arrays to return the concatenated array. * * The <array> expressions can be any valid expression as long as they * resolve to an array. * * @see https://docs.mongodb.org/manual/reference/operator/aggregation/concatArrays/ * @see Expr::concatArrays * @param mixed|Expr $array1 * @param mixed|Expr $array2 * @param mixed|Expr $array3, ... Additional expressions * @return $this * * @since 1.3 */ public function concatArrays($array1, $array2) { $this->expr->concatArrays(...func_get_args()); return $this; }