(PHP 5 >= 5.2.2, PHP 7, PHP 8)
openssl_pkcs12_export_to_file — Exports a PKCS#12 Compatible Certificate Store File
$certificate,$output_filename,$private_key,$passphrase,$options = []
   openssl_pkcs12_export_to_file() stores
   certificate into a file named by
   output_filename in a PKCS#12 file format.
  
x509See Key/Certificate parameters for a list of valid values.
output_filenamePath to the output file.
private_keyPrivate key component of PKCS#12 file. See Public/Private Key parameters for a list of valid values.
passphraseEncryption password for unlocking the PKCS#12 file.
optionsOptional array, other keys will be ignored.
| Key | Description | 
|---|---|
"extracerts" | 
           array of extra certificates or a single certificate to be included in the PKCS#12 file. | 
"friendly_name" | 
           string to be used for the supplied certificate and key | 
| Version | Description | 
|---|---|
| 8.0.0 | 
       certificate accepts an OpenSSLCertificate instance now;
       previously, a resource of type OpenSSL X.509 CSR was accepted.
       | 
     
| 8.0.0 | 
       private_key accepts an OpenSSLAsymmetricKey
       or OpenSSLCertificate instance now;
       previously, a resource of type OpenSSL key or OpenSSL X.509
       was accepted.
       |