openssl_pkey_export_to_file

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

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

Descrizione

openssl_pkey_export_to_file(
    #[\SensitiveParameter] OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $key,
    string $output_filename,
    #[\SensitiveParameter] ?string $passphrase = null,
    ?array $options = null
): bool

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

Nota: Occorre un openssl.cnf valido installato perché questa funzione venga eseguita correttamente. Vedere le note nella sezione sull'installazione per ulteriori informazioni.

Elenco dei parametri

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

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Log delle modifiche

Versione	Descrizione
8.0.0	`key` accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type `OpenSSL key` or `OpenSSL X.509` was accepted.

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