devel module包括Web Profiler,Devel,Devel generate,Devel Kint4个子模块。
安装devel module后，主要能帮助我们做以下4类事情
devel模块介绍
- WebProfiler
WebProfiler gives you a better sense of how your website works, and how to debug it if it is underperforming.- Database选项卡-访问该页面产生的SQL
- Events选项卡-哪些controller被调用，及调用顺序
- Routing选项卡-列出所有的routing path
- 其他选项卡介绍，请看这里
- drush结合devel generate content, review hook implementations等
Devel Generate 生成假数据dpm()函数或kint($array)函数等 gives you the contents of any variable. Themers use this to know what they can print out in any given template.