新加的全局常量

GD

  • IMG_WEBP (自 PHP 5.6.25 起)

LDAP

  • LDAP_ESCAPE_DN
  • LDAP_ESCAPE_FILTER

OpenSSL

  • OPENSSL_DEFAULT_STREAM_CIPHERS
  • STREAM_CRYPTO_METHOD_ANY_CLIENT
  • STREAM_CRYPTO_METHOD_ANY_SERVER
  • STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT
  • STREAM_CRYPTO_METHOD_TLSv1_0_SERVER
  • STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT
  • STREAM_CRYPTO_METHOD_TLSv1_1_SERVER
  • STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT
  • STREAM_CRYPTO_METHOD_TLSv1_2_SERVER

PostgreSQL

  • PGSQL_CONNECT_ASYNC
  • PGSQL_CONNECTION_AUTH_OK
  • PGSQL_CONNECTION_AWAITING_RESPONSE
  • PGSQL_CONNECTION_MADE
  • PGSQL_CONNECTION_SETENV
  • PGSQL_CONNECTION_SSL_STARTUP
  • PGSQL_CONNECTION_STARTED
  • PGSQL_DML_ESCAPE
  • PGSQL_POLLING_ACTIVE
  • PGSQL_POLLING_FAILED
  • PGSQL_POLLING_OK
  • PGSQL_POLLING_READING
  • PGSQL_POLLING_WRITING