openssl_spki_export_challenge 447 ext/openssl/openssl.c PHP_FE(openssl_spki_export_challenge, arginfo_openssl_spki_export_challenge) openssl_spki_export_challenge 1730 ext/openssl/openssl.c PHP_FUNCTION(openssl_spki_export_challenge) openssl_spki_export_challenge 104 ext/openssl/php_openssl.h PHP_FUNCTION(openssl_spki_export_challenge);