预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

YAR_VERSION (string)

YAR_CLIENT_PROTOCOL_HTTP (int)

YAR_OPT_PACKAGER (int)

YAR_OPT_TIMEOUT (int)

YAR_OPT_CONNECT_TIMEOUT (int)

YAR_OPT_HEADER (array)

自 2.0.4 起

YAR_PACKAGER_PHP (string)

YAR_PACKAGER_JSON (string)

YAR_ERR_OKEY (int)

YAR_ERR_OUTPUT (int)

YAR_ERR_TRANSPORT (int)

YAR_ERR_REQUEST (int)

YAR_ERR_PROTOCOL (int)

YAR_ERR_PACKAGER (int)

YAR_ERR_EXCEPTION (int)