# recode_file

(PHP 4, PHP 5, PHP 7)

recode_file — Recode from file to file according to recode request

### 说明

recode_file ( string `$request` , resource `$input` , resource `$output` ) : bool

Recode the file referenced by file handle `input` into the file referenced by file handle `output` according to the recode `request`.

### 参数

`request`

  The desired recode request type

`input`

  A local file handle resource for the `input`

`output`

  A local file handle resource for the `output`

### 返回值

Returns `FALSE`, if unable to comply, `TRUE` otherwise.

### 范例

Example #1 Basic recode_file() example

    <?php
    $input = fopen('input.txt', 'r');
    $output = fopen('output.txt', 'w');
    recode_file("us..flat", $input, $output);
    ?>

### 注释

This function does not currently process file handles referencing remote files (URLs). Both file handles must refer to local files.

### 参见

- fopen() - 打开文件或者 URL