Php/docs/function.eio-rename
eio_rename
(PECL eio >= 0.0.1dev)
eio_rename — Change the name or location of a file
说明
eio_rename
( string $path
, string $new_path
[, int $pri
= EIO_PRI_DEFAULT
[, callable $callback
= NULL
[, mixed $data
= NULL
]]] ) : resource
eio_rename() renames or moves a file to new location.
参数
path
Source path
new_path
Target path
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 $req]);
data
传递给请求的用户数据。
result
针对请求的结果的值。通常是相应的系统调用返回的值。
req
可选的请求资源,可被 eio_get_last_error() 之类的函数使用。
data
Arbitrary variable passed to
callback
.
返回值
eio_rename() returns request resource on success or false
on error.
范例
Example #1 eio_rename() example
<?php$filename = dirname(__FILE__)."/eio-temp-file.dat";touch($filename);$new_filename = dirname(__FILE__)."/eio-temp-file-new.dat";function my_rename_cb($data, $result) { global $filename, $new_filename; if ($result == 0 && !file_exists($filename) && file_exists($new_filename)) { @unlink($new_filename); echo "eio_rename_ok"; } else { @unlink($filename); }}eio_rename($filename, $new_filename, EIO_PRI_DEFAULT, "my_rename_cb", $filename);eio_event_loop();?>
以上例程的输出类似于:
eio_rename_ok