mcrypt_get_key_size

PHP 4, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0
mcrypt_get_key_size - Gets the key size of the specified cipher
Manual
Code Examples

Example #1 mcrypt_get_key_size Example

Result: 24
<?php
echo mcrypt_get_key_size('tripledes', 'ecb');
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PHP Version: