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This article "php increment and decrement operator how to use" most people do not understand, so the editor summarized the following content, detailed, clear steps, with a certain reference value, I hope you can get something after reading this article, let's take a look at this "php increment and decrement operator how to use" article.

1. Increment operator

In php programming, + + means increment, for example:

+ + adds one to the value of the current variable.

But there is a difference before and after + + is placed in a variable, for example:

2. Decrement operator

-- the algorithm is similar to the use of +, minus 1 on the basis that the current variable is worth it:

-- put it in front:

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