openssl_pkey_export Gets an exportable representation of a key into a string


openssl_pkey_export

(PHP 4 >= 4.2.0, PHP 5)

openssl_pkey_exportGets an exportable representation of a key into a string

说明

bool openssl_pkey_export ( mixed $key , string &$out [, string $passphrase [, array $configargs ]] )

openssl_pkey_export() exports key as a PEM encoded string and stores it into out (which is passed by reference).

Note: You need to have a valid openssl.cnf installed for this function to operate correctly. See the notes under the installation section for more information.

参数

key

out

passphrase

The key is optionally protected by passphrase.

configargs

configargs can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See openssl_csr_new() for more information about configargs.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.


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