(PHP 5 >= 5.2.2)
openssl_pkcs12_read — Parse a PKCS#12 Certificate Store into an array
openssl_pkcs12_read() parses the PKCS#12 certificate store supplied by pkcs12 into a array named certs.
On success, this will hold the Certificate Store Data.
Encryption password for unlocking the PKCS#12 file.
成功时返回 TRUE， 或者在失败时返回 FALSE.