array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'tr', ), 'this' => array ( 0 => 'function.openssl-cipher-key-length.php', 1 => 'openssl_cipher_key_length', 2 => 'Gets the cipher key length', ), 'up' => array ( 0 => 'ref.openssl.php', 1 => 'OpenSSL İşlevleri', ), 'prev' => array ( 0 => 'function.openssl-cipher-iv-length.php', 1 => 'openssl_cipher_iv_length', ), 'next' => array ( 0 => 'function.openssl-cms-decrypt.php', 1 => 'openssl_cms_decrypt', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/openssl/functions/openssl-cipher-key-length.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

openssl_cipher_key_length

(PHP 8 >= 8.2.0)

openssl_cipher_key_length — Gets the cipher key length

Açıklama

openssl_cipher_key_length(string $cipher_algo): int|false

Gets the cipher key length.

Bağımsız Değişkenler

cipher_algo: The cipher method, see openssl_get_cipher_methods() for a list of potential values.

Dönen Değerler

Returns the cipher length on success, başarısızlık durumunda false döner.

Hatalar/İstisnalar

Emits an E_WARNING level error when the cipher algorithm is unknown.

Örnekler

Örnek 1 openssl_cipher_key_length() example

<?php
$method = 'AES-128-CBC';

var_dump(openssl_cipher_key_length($method));
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

int(16)