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This article mainly introduces the mathematics-related functions in PHP, which have a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to know about it.

Mathematical correlation function

Abs: absolute valu

Floor: round down floor (3. 2) the result equals 3

Ceil: rounding up

Round: rounded

Rand: gets a random integer within a specified range

Mt_rand: get a random integer within a specified range (more efficient)

What are the characteristics of php 1, the execution speed is fast. 2. It has good openness and expansibility. 3. PHP supports a variety of mainstream and non-mainstream databases. Object-oriented programming: PHP provides classes and objects. 5. The update speed of the version is fast. 6. It has rich functions. 7. Scalability. 8. Comprehensive functions, including graphics processing, encoding and decoding, compressed file processing, xml analysis and so on.

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