84669 person learning
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这个是做什么用的？
What does the $ symbol mean - PHP Chinese website Q&A - What does the $ symbol mean - PHP Chinese website Q&A
Take a look around and learn.
php中$符号是变量符号；
把$符号加上字符串，这个字符串就是一个变量名或对象名。
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What does the $ symbol mean - PHP Chinese website Q&A - What does the $ symbol mean - PHP Chinese website Q&A
Take a look around and learn.
php中$符号是变量符号；
把$符号加上字符串，这个字符串就是一个变量名或对象名。