Dutch PHP Conference 2023 - Call for Papers


(PHP 4 >= 4.2.0, PHP 5 < 5.1.0)

dio_truncate Truncates file descriptor fd to offset bytes


dio_truncate(resource $fd, int $offset): bool

dio_truncate() truncates a file to at most offset bytes in size.

If the file previously was larger than this size, the extra data is lost. If the file previously was shorter, it is unspecified whether the file is left unchanged or is extended. In the latter case the extended part reads as zero bytes.



The file descriptor returned by dio_open().


The offset in bytes.

Valor Retornado

Retorna true em caso de sucesso ou false em caso de falha.


Nota: Esta função não foi implementada na plataforma Windows.

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