(PHP 5 >= 5.2.2)
openssl_pkcs12_export_to_file — Exports a PKCS#12 Compatible Certificate Store File
openssl_pkcs12_export_to_file() stores x509 into a file named by filename in a PKCS#12 file format.
Path to the output file.
Private key component of PKCS#12 file.
Encryption password for unlocking the PKCS#12 file.
如果成功则返回 TRUE，失败则返回 FALSE。