Exports a PKCS#12 Compatible Certificate Store File to variable. openssl_pkcs12_export_to_file openssl_pkcs12_read OpenSSL Functions PHP Manual openssl_pkcs12_export (PHP 5 >= 5.2.2)openssl_pkcs12_export — Exports a PKCS#12 Compatible Certificate Store File to variable. Description bool openssl_pkcs12_export ( mixed $x509 , string &$out , mixed $priv_key , string $pass [, array $args ] ) openssl_pkcs12_export() stores x509 into a string named by out in a PKCS#12 file format. Parameters x509 out On success, this will hold the PKCS#12. priv_key Private key component of PKCS#12 file. pass Encryption password for unlocking the PKCS#12 file. args Return Values Returns TRUE on success or FALSE on failure. openssl_pkcs12_export_to_file openssl_pkcs12_read OpenSSL Functions PHP Manual