In-depth analysis of PHP rawurlencode and urlencode functions_PHP tutorial

Question: Both functions are designed to escape strings to make them suitable for file names. Which one to use? Which one is more standard?

Conclusion:
rawurlencode complies with the 1994 International Standard Memorandum RFC 1738.
urlencode implements the traditional approach. The main difference from the above is the use of spaces. The escape is '+' instead of '%20'
javascript's encodeURL is also the 1994 standard,

The escape of javascript is another way to mark unicode encoding with "%xxx".

It is recommended to use rawurlencode in PHP. Deprecated urlencode

Sample
source:

Super invincible person sadha sajdh data sample sdls fhejrthcxzb.file.jpeg

PHP urlencode:
%E8%B6%85%E7%BA%A7%E6%97%A0%E6%95%8C%E7%9A%84%E4%BA% BAsadha+sajdh%E6%95%B0%E6%8D%AE%E6%A0%B7%E6%9C%ACsdls+fhejrthcxzb.file.jpeg

PHP rawurlencode:
%E8%B6%85%E7%BA%A7%E6%97%A0%E6%95%8C%E7%9A%84%E4%BA% BAsadha%20sajdh%E6%95%B0%E6%8D%AE%E6%A0%B7%E6%9C%ACsdls%20fhejrthcxzb.file.jpeg

Javascript encodeURI:
%E8%B6%85%E7%BA%A7%E6%97%A0%E6%95%8C%E7%9A%84%E4%BA% BAsadha%20sajdh%E6%95%B0%E6%8D%AE%E6%A0%B7%E6%9C%ACsdls%20fhejrthcxzb.file.jpeg

Javascript escape:
%u8D85%u7EA7%u65E0%u654C%u7684%u4EBAsadha%20sajdh%u6570%u636E%u6837%u672Csdls%20fhejrthcxzb.file.jpeg