Judy::offsetUnset
Judy::prevEmpty
Judy
PHP Manual

# Judy::prev

(PECL judy >= 0.1.1)

Judy::prev — Search for the previous index in the Judy array

### 説明

public mixed Judy::prev ( mixed `$index` )

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

### パラメータ

`index`

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

### 返り値

Return the corresponding index in the array.

Judy::offsetUnset
Judy::prevEmpty
Judy
PHP Manual