PHP - Manual: Judy::offsetExists
2025-05-16
(PECL judy >= 0.1.1)
Judy::offsetExists — Whether a offset exists
$offset
Whether or not an offset exists.
offset
An offset to check for.
Returns TRUE on success or FALSE on failure.
TRUE
FALSE
官方地址:https://www.php.net/manual/en/judy.offsetexists.php