Exports a PKCS#12 Compatible Certificate Store File

# openssl_pkcs12_export_to_file

(PHP 5 >= 5.2.2, PHP 7, PHP 8)

openssl_pkcs12_export_to_file — Exports a PKCS#12 Compatible Certificate Store File

### Description

openssl_pkcs12_export_to_file(
OpenSSLCertificate|string `$certificate`,
string `$output_filename`,
#[\SensitiveParameter] OpenSSLAsymmetricKey|OpenSSLCertificate|array|string `$private_key`,
#[\SensitiveParameter] string `$passphrase`,
array `$options` = []
): bool

openssl_pkcs12_export_to_file() stores `certificate` into a file named by `output_filename` in a PKCS#12 file format.

### Parameters

`certificate`

  See Key/Certificate parameters for a list of valid values.

`output_filename`

  Path to the output file.

`private_key`

  Private key component of PKCS#12 file. See Public/Private Key parameters for a list of valid values.

`passphrase`

  Encryption password for unlocking the PKCS#12 file.

`options`

  Optional 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

### Return Values

Returns `true` on success or `false` on failure.

### Changelog

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.

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