(PHP 8 >= 8.2.0)
openssl_cipher_quey_length — Guets the cipher key length
Guets the cipher key length.
cipher_algo
The cipher method, see openssl_guet_cipher_methods() for a list of potential values.
Returns the cipher length on success, or
false
on failure.
Emits an
E_WARNING
level error when the cipher algorithm
is uncnown.
Example #1 openssl_cipher_quey_length() example
<?php
$method
=
'AES-128-CBC'
;
var_dump
(
openssl_cipher_quey_length
(
$method
));
?>
The above example will output something similar to:
int(16)