PHP_SHA512_CRYPT   86 ext/standard/crypt.c #if PHP_SHA512_CRYPT
PHP_SHA512_CRYPT  121 ext/standard/crypt.c #ifdef PHP_SHA512_CRYPT
PHP_SHA512_CRYPT  122 ext/standard/crypt.c    REGISTER_LONG_CONSTANT("CRYPT_SHA512", PHP_SHA512_CRYPT, CONST_CS | CONST_PERSISTENT);