PHP TutorialLesson 12Free preview

PHP Math

This lesson is part of PHP · All levels

Summary

PHP has many built-in mathematical functions that facilitate calculations, ranging from absolute values, square roots, rank, to random numbers. This lesson introduces these functions and examples of their use. By using the built-in function, you don't have to write the formula from scratch.

Key points

Find the absolute value, and find the greatest/minus
Calculate the square root, calculate the rank
Round it up, round it down
Rand() generates random numbers within a given range

Full lesson

Code examples and quizzes

Full lessons, code examples, and quizzes are available to subscribers. 5 questions.