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The tutorial says: 3. Use the function unset() to destroy the variable, but the code demonstration uses var_dump();
Are unset() and var_dump() the same function?
Address: //m.sbmmt.com/code/985.html
The unset() function is used to destroy the specified variable. The var_dump() function used in the code demonstration is used to print the relevant information of the variable.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The unset() function is used to destroy the specified variable. The var_dump() function used in the code demonstration is used to print the relevant information of the variable.