Hi, Please review the PR (for master only). It adds an API call to get information about opcode operand and extended_value meaning. This API should be useful for phpdbg, xdebug and others. Once these extension switch to new API, they will support most new opcodes out of the box.
https://github.com/php/php-src/pull/1610 Comments and additional ideas are welcome. Thanks. Dmitry.
