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このドキュメントでは、 php中国語ネットマニュアル リリース
(PHP 4 >= 4.2.0, PHP 5)
openssl_pkey_export_to_file — Gets an exportable representation of a key into a file
$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: 必须安装有效的 openssl.cnf 以保证此函数正确运行。参考有关安装的说明以获得更多信息。
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
.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
[#1] w3ricardo [2012-02-27 20:21:27]
You can't use this function to export a public key
Warning: openssl_pkey_export_to_file(): supplied key param is a public key