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(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: 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.
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
.
Returns TRUE
on success or FALSE
on failure.