openssl_pkey_export

(PHP 4 >= 4.2.0, PHP 5)

openssl_pkey_export — Gets an exportable representation of a key into a string

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: 이 함수가 제대로 작동하려면 유효한 openssl.cnf을 설치해야 합니다. 자세한 정보는 설치 섹션의 주석을 살펴보십시오.

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 .

성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.