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eio_fallocate

PHP function Edit on GitHub ✎

(PECL eio >= 0.0.1dev)

Allows the caller to directly manipulate the allocated disk space for a file

Description

eio_fallocate(mixed $fd, int $mode, int $offset, int $length, int $pri = EIO_PRI_DEFAULT, callable $callback = NULL, mixed $data = NULL): resource

eio_fallocate() allows the caller to directly manipulate the allocated disk space for the file specified by fd file descriptor for the byte range starting at offset and continuing for length bytes.

Note

EIO_O_CREAT should be logically OR'd with EIO_O_WRONLY, or EIO_O_RDWR

Parameters

fd: Stream, Socket resource, or numeric file descriptor, e.g. returned by eio_open().
mode: Currently only one flag is supported for mode: EIO_FALLOC_FL_KEEP_SIZE (the same as POSIX constant FALLOC_FL_KEEP_SIZE).
offset: Specifies start of the byte range.
length: Specifies length of the byte range.
pri: Values
callback: Proto
data: Arbitrary variable passed to callback.

Return Values

eio_fallocate() returns request resource on success,Falseforfailure.

Source: reference/eio/functions/eio-fallocate.xml · from the official PHP manual (php/doc-en)