mcrypt_enc_get_supported_key_sizes

PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0
mcrypt_enc_get_supported_key_sizes - Returns an array with the supported keysizes of the opened algorithm
Manual
Code Examples

Example #1 mcrypt_enc_get_supported_key_sizes example

Result: array(3) { [0]=> int(16) [1]=> int(24) [2]=> int(32) }
PHP Version: