This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
It used to be hard to find questions about operators and other syntax tokens.¹
The main idea is to have links to existing questions on Stack Overflow, so it's easier for us to reference them, not to copy over content from …
最近我一直在使用#而不是//在我的代码中进行单行注释.但是,我看到人们更喜欢//.
有没有特别的理由选择他们而不是#？性能？文件重量？什么？