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imap_unsubscribe	imap_utf7_encode

IMAP Functions	Last updated: Mon, 26 Oct 2026

imap_utf7_decode

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_utf7_decode — Decodes a modified UTF-7 encoded string

Description

function imap_utf7_decode(string $string): string|false

Decodes modified UTF-7 string into ISO-8859-1 string.

This function is needed to decode mailbox names that contain certain characters which are not in range of printable ASCII characters.

Parameters

string: A modified UTF-7 encoding string, as defined in » RFC 2060, section 5.1.3.

Return Values

Returns a string that is encoded in ISO-8859-1 and consists of the same sequence of characters in string, or false if string contains invalid modified UTF-7 sequence or string contains a character that is not part of ISO-8859-1 character set.

imap_utf7_decode

Description

Parameters

Return Values

See Also