openssl_x509_read Parse an X.509 certificate and return a resource identifier for it &reftitle.description; resourceopenssl_x509_read mixedx509certdata openssl_x509_read parses the certificate supplied by x509certdata and returns a resource identifier for it. &reftitle.parameters; x509certdata &reftitle.returnvalues; Returns a resource identifier on success&return.falseforfailure;.