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<mcrypt_enc_get_key_sizemcrypt_enc_get_supported_key_sizes>
^Mcrypt FunctionsLast updated: Mon, 26 Oct 2026

mcrypt_enc_get_modes_name

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_enc_get_modes_name — Returns the name of the opened mode

Warning

This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.

Description

function mcrypt_enc_get_modes_name(resource $td): string

This function returns the name of the mode.

Parameters

td

The encryption descriptor.

Return Values

Returns the name as a string.

Examples

Example #1 mcrypt_enc_get_modes_name() example

<?php
$td = mcrypt_module_open (MCRYPT_CAST_256, '', MCRYPT_MODE_CFB, '');
echo mcrypt_enc_get_modes_name($td). "\n";

$td = mcrypt_module_open ('cast-256', '', 'ecb', '');
echo mcrypt_enc_get_modes_name($td). "\n";
?>

The above example will output:

CFB
ECB

<mcrypt_enc_get_key_sizemcrypt_enc_get_supported_key_sizes>
^Mcrypt FunctionsLast updated: Mon, 26 Oct 2026