디버거 프로코톨은 라인 기반이다. 각 라인은 type과 message로 이루어진 몇몇 라인들을 가진다. 각 메세지는 start타입의 라인으로 시작되고, end타입의 라인으로 의해 중지된다. PHP는 아마 일제히 다른 메세지들의 라인들을 보낼것이다.
각 라인은 다음의 포맷을 가진다:
ISO 8601 포멧의 날짜 (yyyy-mm-dd)
마이크로초(100만분의 1초) 타임: hh:mm:uuuuuu
스크립트 에러발생된 DNS name 이나 host의 IP.
PID (process id) on host of the process with the PHP script that generated this error.
Type of line. Tells the receiving program about what it should treat the following data as:
표 C-1. Debugger Line Types
| Name | Meaning |
|---|---|
| start | Tells the receiving program that a debugger message starts here. The contents of data will be the type of error message, listed below. |
| message | The PHP error message. |
| location | File name and line number where the error occured. The first location line will always contain the top-level location. data will contain file:line . There will always be a location line after message and after every function. |
| frames | Number of frames in the following stack dump. If there are four frames, expect information about four levels of called functions. If no "frames" line is given, the depth should be assumed to be 0 (the error occured at top-level). |
| function | Name of function where the error occured. Will be repeated once for every level in the function call stack. |
| end | Tells the receiving program that a debugger message ends here. |
Line data.
표 C-2. Debugger Error Types
| Debugger | PHP Internal |
|---|---|
| warning | E_WARNING |
| error | E_ERROR |
| parse | E_PARSE |
| notice | E_NOTICE |
| core-error | E_CORE_ERROR |
| core-warning | E_CORE_WARNING |
| unknown | (any other) |