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PHP - Manual: openssl_free_key

2024-12-22

openssl_free_key

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

openssl_free_key释放密钥资源

说明

openssl_free_key(resource $key_identifier): void

openssl_free_key() 从内存中释放和指定的 key_identifier相关联的密钥。

参数

key_identifier

返回值

没有返回值。

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User Contributed Notes 3 notes

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6
Lawri van Bul
4 years ago
I just checked the code for PHP 7.1 and in there openssl_free_key is an alias for opnessl_pkey_free (PHP_FALIAS).

This supports Richards assumption.

I would also suggest to not use the alias,
but use the openssl_pkey_free function in new code.

This is because it is more descriptive about what its intend is and is the same structure as similar function in the openssl section.
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3
CIIDMike[at]Bweb1dev3
1 year ago
PHP 8.0 Deprecated:  Function openssl_free_key() is deprecated
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2
Richard Lynch
8 years ago
openssl_free_key and openssl_pkey_free are probably aliases.

And the preferred one is probably openssl_pkey_free.

官方地址:https://www.php.net/manual/en/function.openssl-free-key.php

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