# recode_file

(PHP 4, PHP 5, PHP 7 < 7.4.0)

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.

### 示例

示例 #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

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