echo(rad2deg(M_PI_2);This returns the result: 90
Here are all the basics you need to know about getting started with PHP. It's a lot easier than you might think!
PHP allows you to preform numerous mathematical tasks. You can do anything from simple addition to complex geometry. You can also do things like round numbers, convert bases, or find the absolute value of numbers.
echo(rad2deg(M_PI_2);This returns the result: 90
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