openssl_pkey_export_to_file
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
openssl_pkey_export_to_file — Gets an exportable representation of a key into a file
Description
$key
, string $outfilename
[, string $passphrase
[, array $configargs
]] ) : bool
openssl_pkey_export_to_file() saves an ascii-armoured
(PEM encoded) rendition of key into the file named
by outfilename.
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.
Parameters
-
key -
-
outfilename -
Path to the output file.
-
passphrase -
The key can be optionally protected by a
passphrase. -
configargs -
configargscan 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 aboutconfigargs.
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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