openssl_pkey_export_to_file
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
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: 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.
Return Values
Returns TRUE on success or FALSE on failure.
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.openssl-pkey-export-to-file.php
