PHP Manual: Exports a PKCS#12 Compatible Certificate Store File

Description

bool openssl_pkcs12_export_to_file(
    OpenSSLCertificatestring $certificate,
    string $output_filename,
    #[\SensitiveParameter]OpenSSLAsymmetricKeyOpenSSLCertificatearraystring $private_key,
    #[\SensitiveParameter]string $passphrase,
    array $options = []
)

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

Parameters

x509

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.