与其内容有关的变量命名约定
我知道有无数与公约有关的问题。然而，关于一些在编码中一直困扰我的细节，我找不到太多东西。
它归结为文件系统和设备表示，无论是句柄/资源还是路径；通常遵循哪些约定来正确命名包含此类值/数据的变量？
更具体地说，我的意思是：
/path/to/resource/目录路径 > ($dirpath)（句柄）文件句柄/资源 ($filehandle)filename.php文件名 ($filename)/path/to/resource/filename.php文件路径 ($filepath)
如果以上内容如有不正确之处，请指教；对此的担忧可能看起来很愚蠢，但我想确保自己能够理解，更不用说未来的同事了。
任何有关参考资料/完整列表的指示，或来自您个人经验的建议都非常受欢迎。
（将其标记为 PHP，以防有我应该知道的任何语言特定约定）
I understand there's gazillions of questions pertaining to conventions. I couldn't find much, however, regarding some specifics that have always plagued me in my coding.
It comes down to filesystem and device representations, whether a handle/resource or path; what conventions are often followed to appropriately name variables containing such values/data?
More specifically I mean:
/path/to/resource/A directory path ($dirpath)(handle)A file handle/resource ($filehandle)filename.phpA file name ($filename)/path/to/resource/filename.phpA file path ($filepath)
If any of these are incorrect, please advise; concern over this may seem asinine, however I want to secure the understanding for myself, not to mention future colleagues.
Any directions to references/complete lists, or suggestions from your personal experience are more than welcome.
(marked it as PHP in case there are any language specific conventions I should know)
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你在那里使用了相当标准的变量名称，所以我认为任何 php 程序员都不会将它们误认为是其他名称。
You're using pretty standard variable names there, so I don't think any php programmer would mistake those for something else.