eio_fchmod

(PECL eio >= 0.0.1dev)

eio_fchmod — Change file permissions

说明

eio_fchmod ( mixed $fd , int $mode [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] ) : resource

eio_fchmod() changes permissions for the file specified by fd file descriptor.

参数

fd

Stream, Socket resource, or numeric file descriptor, e.g. returned by eio_open().

mode

The new permissions. E.g. 0644.

pri

请求的优先级：EIO_PRI_DEFAULT，EIO_PRI_MIN，EIO_PRI_MAX 或 NULL。如果是 NULL，pri 将设为 EIO_PRI_DEFAULT。

callback

callback 函数在请求完成时被调用。其应匹配一下原型：

void callback(mixed $data, int $result[, resource $req]);
data

传递给请求的用户数据。

result

针对请求的结果的值。通常是相应的系统调用返回的值。

req

可选的请求资源，可被 eio_get_last_error() 之类的函数使用。

data

Arbitrary variable passed to callback.

返回值

eio_fchmod() returns request resource on success or FALSE on error.

参见

  • eio_fchown
相关文章
php eio 函数 change file/direcrory permissionsphp eio 函数 change file/direcrory permissionsphp eio 函数 change file permissionsphp eio 函数 change file ownershipphp eio 函数 synchronize a file s in core state with storage devicephp eio 函数 get file statusphp eio 函数 get file system statisticsphp eio 函数 synchronize a file s in core state with storage devicephp eio 函数 truncate a filephp eio 函数 change file last access and modification timesphp eio 函数 create a special or ordinary filephp eio 函数 opens a filephp eio 函数 read from a file descriptor at given offsetphp eio 函数 change the name or location of a filephp eio 函数 repositions the offset of the open file associated with the fd argument to the argument offset according to the directive whencephp eio 函数 transfer data between file descriptorsphp eio 函数 get file statusphp eio 函数 get file system statisticsphp eio 函数 change file last access and modification timesphp eio 函数 write to file
关注编程学问公众号