openssl_pbkdf2 495 ext/openssl/openssl.c PHP_FE(openssl_pbkdf2, arginfo_openssl_pbkdf2) openssl_pbkdf2 4020 ext/openssl/openssl.c PHP_FUNCTION(openssl_pbkdf2) openssl_pbkdf2 72 ext/openssl/php_openssl.h PHP_FUNCTION(openssl_pbkdf2);