Recode a string according to a recode request

# recode_string

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

recode_string — Recode a string according to a recode request

### 说明

function recode_string(string `$request`, string `$string`): string

Recode the string `string` according to the recode request `request`.

### 参数

`request`
  The desired recode request type
`string`
  The string to be recoded

### 返回值

Returns the recoded string or `false`, if unable to perform the recode request.

### 示例

示例 #1 Basic recode_string() example

    <?php
    echo recode_string("us..flat", "The following character has a diacritical mark: á");
    ?>

### 注释

A simple recode request may be "lat1..iso646-de".

### 参见

- The GNU Recode documentation of your installation for detailed instructions about recode requests.
- mb_convert_encoding() - 转换字符串，从一个字符编码到另一个字符编码
- UConverter::transcode() - Convert a string from one character encoding to another
- iconv() - 将字符串从一个字符编码转换到另一个字符编码

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