eio_rename
(PECL eio >= 0.0.1dev)
eio_rename — Change the name or location of a file
說明
eio_rename(
string
string
int
callable
mixed
): resource
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.
參數
-
path
-
Source path
-
new_path
-
Target path
-
pri
-
請求的優先順序:
EIO_PRI_DEFAULT
,EIO_PRI_MIN
,EIO_PRI_MAX
或null
。如果是null
,pri
將設為EIO_PRI_DEFAULT
。 -
callback
-
callback
函式在請求完成時被呼叫。其應匹配一下原型:void callback(mixed $data, int $result[, resource $req]);
-
data
-
傳遞給請求的用戶數據。
-
result
-
針對請求的結果的值。通常是相應的系統呼叫返回的值。
-
req
-
可選的請求資源,可被 eio_get_last_error() 之類的函式使用。
-
-
data
-
Arbitrary variable passed to
callback
.
返回值
eio_rename() returns request resource on success, 或者在失敗時返回 false
.
範例
示例 #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();
?>
以上例程的輸出類似於:
eio_rename_ok