PHP: How to Sum the Contents of an Array CodeUnit 18 APR 2009

PHPSo you have an array chock full of numbers and you now need a total for those said numbers. Of course, you could always just do a foreach loop and simply add them all up, but a far simpler method would be to make use of PHP’s built in array summing function, the deftly named array_sum function.

Now this function is available in both PHP 4 (from 4.0.4 upwards) as well as PHP 5 and making use of it is as simple as calling array_sum ($input_array) where the result is a number (integer or float) and $input_array is the array that you wish to sum.

So in other words, pretty damn simple to use! :)

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About Craig Lotter

South African software architect and developer at Touchwork. Husband to a cupcake baker and father to two little girls. I don't have time for myself any more.