Encode a UTF-8 string to modified UTF-7

# imap_utf8_to_mutf7

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

imap_utf8_to_mutf7 — Encode a UTF-8 string to modified UTF-7

### Description

imap_utf8_to_mutf7(string `$string`): string|false

Encode a UTF-8 string to modified UTF-7 (as specified in RFC 2060, section 5.1.3).

> Note:

> This function is only available, if libcclient exports utf8_to_mutf7().

### Parameters

`string`

  A UTF-8 encoded string.

### Return Values

Returns `string` converted to modified UTF-7, or `false` on failure.

### See Also

- imap_mutf7_to_utf8() - Decode a modified UTF-7 string to UTF-8

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