Judy
PHP Manual

Judy::first

(PECL judy >= 0.1.1)

Judy::firstSearch for the first index in the Judy array

说明

public mixed Judy::first ([ mixed $index ] )

Search (inclusive) for the first index present that is equal to or greater 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.


Judy
PHP Manual