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openssl_pkey_export

Gets an exportable representation of a key into a string (PHP 4 >= 4.2.0, PHP 5)
bool openssl_pkey_export ( mixed key, string &out [, string passphrase [, array configargs]] )

openssl_pkey_export() exports key as a PEM encoded string and stores it into out (which is passed by reference).

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
out
passphrase

The key is optionally protected by 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.

Return Values

Returns TRUE on success or FALSE on failure.