How can you add two numbers in PHP?

How can you add two numbers in PHP?

That depends on how big your two numbers are. If you have numbers in the normal integer/double range, it is sufficient to use the “+” operator. You use it as follows:

If the numbers get bigger, you will have to use the “BC Math” or “GMP” library. Here is the example from gmp_add – Manual:

To increase the reusability of your code, it is best to encapsulate the addition in a function:

However, an object-oriented implementation would be better than Singleton:

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