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Reference — What does this symbol mean in PHP?

What is this?

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.

Why is this?

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 …

php arguments symbols operators

4314
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21
解决办法
63万
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要三元还是不三元?

我个人是三元运算符的拥护者:()?:; 我确实意识到它有它的位置,但我遇到了许多完全反对使用它的程序员,而且有些人经常使用它.

你有什么感受?你看到了什么有趣的代码?

multilingual ternary-operator conditional-operator

180
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17
解决办法
4万
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5
推荐指数
3
解决办法
2万
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