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openssl_pkey_free

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

openssl_pkey_free — 释放一个私钥

说明

openssl_pkey_free(resource $key): void

该函数释放由openssl_pkey_new()创建的私钥。

参数

key: 持有该密钥的资源。

返回值

没有返回值。

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User Contributed Notes 2 notes

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suconghou at gmail dot com ¶

3 years ago


PHP 8 deprecates openssl_free_key (actually openssl_pkey_free which it aliases) and automatically destroys the key instance when it goes out of scope.

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djmaze ¶

4 years ago


This function also frees public key resources as received with openssl_pkey_get_public().

Manual above should say: "Frees a pkey resource"

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