imap_utf8_to_mutf7

Function • Removed in PHP 8.4

Encode a UTF-8 string to modified UTF-7.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
Removed
PHP 8.5
PHP 8.6

imap_utf8_to_mutf7 Function synopsis

imap_utf8_to_mutf7(string $string): string|false

Parameters

$string

Typestring

A UTF-8 encoded string.

Return value

Typestring|false

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

Changes to the imap_utf8_to_mutf7 Function

PHP 8.4

  • Function removed

PHP 8.0

  • Return type added: string|false
  • Parameter name of parameter #1 changed: $in to $string
  • Parameter type added for parameter #1 ($string): string
- imap_utf8_to_mutf7($in)
+ imap_utf8_to_mutf7(string $string): string|false

PHP 5.6

  • Function added

imap_utf8_to_mutf7 Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release No
PHP 8.5Supported (Latest) No
PHP 8.4Supported No
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes