openssl_pkcs12_export

Supported Versions: PHP 5 >= 5.2.2, PHP 7, PHP 8
Exports a PKCS#12 Compatible Certificate Store File to variable
<?php openssl_pkcs12_export(    OpenSSLCertificate|string $certificate,    string &$output,    OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key,    string $passphrase,    array $options = []): bool