核心PHP在2025年仍然有意义吗？我不是在谈论框架，如Laravel和Symfony。
我一直在像 freelancer.com 这样的网站上寻找包含 PHP 的项目。有些项目给人的感觉是他们在谈论核心 PHP（但我认为他们实际上是在谈论框架），而有些项目确实明确提到了核心 PHP。不过，我在谷歌和 Reddit 上看到很多人说核心 PHP 已经过时了。我找到一篇文章说它仍然相关，并且不会消失。所以我的问题是，学习核心 PHP 和 MySQL 是否合适（我不是在谈论像 Laravel 或 Symfony 这样的 PHP 框架）？尤其是在自由职业方面。我了解 RESTful API 和使用 cURL，可能还会用到原生 JS 的前端。但我开发核心 PHP 网页应用会不会犯错？我发现使用核心 PHP 比使用 Laravel、Django、Flask（Python）或 Express（NodeJS）要简单得多，效率也更高。那么，在 2025 年，你们中还有人使用核心 PHP 来做自由职业或工作吗？
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I have been searching on sites like freelancer.com for projects that contain PHP. Some projects give to understand that they are talking about core PHP(but I think they are talking about frameworks), and some projects do talk about core PHP(they mention it specifically). But I look on google and reddit and find a lot of people saying that core PHP is dead. I think I found one article saying that it is relevant and not going anywhere. So my question is, is it okay to learn core PHP and MySQL(and I am not talking about PHP frameworks like Laravel or Symfony)? Especially in terms for freelancing. I am aware of RESTful APIs and using cURL and maybe a front end with vanilla JS. But will I be making a mistake developing core PHP web apps? I find it more easier and more productive when using core PHP compared to Laravel or Django or Flask for Python or Express for NodeJS. A lot easier. So do any of you still use core PHP either freelancing or for work in 2025?