MutableVector::takeWhile

Returns a MutableVector containing the values of the current MutableVector up to but not including the first value that produces false when passed to the specified callback.

Description

public function takeWhile(
  callable $fn,
): MutableVector<Tv>

Returns a MutableVector containing the values of the current MutableVector up to but not including the first value that produces false when passed to the specified callback.

The returned MutableVector will always be a proper subset of the current MutableVector.

Parameters

  • callable $fn - The callback that is used to determine the stopping condition.

Return Values