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中文README

This is a web ui for ytrace, see also ytrace_chrome_extension.

Why

I need to take over some project. To understand the code logic, I have to debug the code(many code is dirty but run:-)). I can use var_dump/die(this is inefficient) or the powerful debug tool XDebug(but traces and remote debugging still not so convenient).

So, I create this tool, make traces combined with step-through debugging. Hope it useful for you.

feature

  • step through debugging
  • break point
  • jump to any executed source code line
  • step back through your step history

Install

  • git clone this project
  • composer install
  • in project root dir, run php -S localhost:8088

By default, ytrace_gui will detect ytrace.output_dir from ini_get. If need, you can edit index.php, change //define('YTRACE_OUTPUT_DIR', '/tmp/ytrace/');

Wiki

Home Page: List all traced files, click on one of the items in the list to open source page.

  • Clear Traces: delete all traced files.
  • Refresh: update list.
  • List field explanation:
    • Sapi: cli, fpm-fcgi etc
    • Method: http method in fpm-fcgi
    • Uri: http request uri in fpm-fcgi
    • File: file name
    • Size: file size
    • Time: created time

Source Page: show detail of traced files.

  • source code show in left side, traced value show in right side.
    • only assignment and function call will be traced
    • ++, --, +=, /=, -=, *=, %= etc, shows the values before these operators execute
    • PHP 7 cannot show internal function parameters name (parameter name cannot be found will be showed as $...)
  • executed line will be highlight in green, dark green means current execute
    • click highlighted line number, can jump current execute to it
    • ctrl+click line number, can set/clear a breakpoint (breakpoint will be highlight in red line number)
  • execute operation:
    • step into: same with gdb
    • step back: execute back through your step history
    • step over: same with gdb
    • step out: same with gdb
    • continue: same with gdb, execute to next breakpoint
    • reset: reset execute to first entry
  • shortcut:
    • ctrl+o: open 10 latest traced file popup list
    • ctrl+p: open traced source file popup list, only available in source page
    • ctrl+r: open current source file function/method popup list, only available in source page
    • ctrl+b: open breakpoints popup list, only available in source page