= 5.4.0, PHP 7, PHP 8)streamWrapper::stream_truncate — Truncate stream說明public streamWrapper::stream_truncate(in">
(PHP 5 >= 5.4.0, PHP 7, PHP 8)
streamWrapper::stream_truncate — Truncate stream
$new_size
): boolWill respond to truncation, e.g., through ftruncate().
new_size
The new size.
成功時返回 true
, 或者在失敗時返回 false
。