PHP Manual
Judy
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

说明

public Judy::prevEmpty ( mixed $index ) : int

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

参数

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

返回值

Return the corresponding index in the array.

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