openssl_pkey_export_to_file

(PHP 4 >= 4.2.0, PHP 5)

openssl_pkey_export_to_file — Gets an exportable representation of a key into a file

bool openssl_pkey_export_to_file ( mixed $key , string $outfilename [, string $passphrase [, array $configargs ]] )

openssl_pkey_export_to_file() saves an ascii-armoured (PEM encoded) rendition of key into the file named by outfilename .

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

key
outfilename: Path to the output file.
passphrase: The key can be optionally protected by a 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.