Search for the previous absent index in the Judy array

Judy::prevEmpty

(PECL judy >= 0.1.1)

Judy::prevEmpty — Search for the previous absent index in the Judy array

public int Judy::prevEmpty ( mixed $index )

Search (exclusive) for the previous index absent that is less than the passed Index.

index: The index can be an integer or a string corresponding to the index where to start the search.

Return the corresponding index in the array.