locutus/esm/php/array/array_sum.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

import { toPhpArrayObject } from "../_helpers/_phpTypes.js";
export function array_sum(array) {
    //  discuss at: https://locutus.io/php/array_sum/
    // original by: Kevin van Zonneveld (https://kvz.io)
    // bugfixed by: Nate
    // bugfixed by: Gilbert
    // improved by: David Pilia (https://www.beteck.it/)
    // improved by: Brett Zamir (https://brett-zamir.me)
    //   example 1: array_sum([4, 9, 182.6])
    //   returns 1: 195.6
    //   example 2: var $total = []
    //   example 2: var $index = 0.1
    //   example 2: for (var $y = 0; $y < 12; $y++){ $total[$y] = $y + $index }
    //   example 2: array_sum($total)
    //   returns 2: 67.2
    let sum = 0;
    // input sanitation
    if (array === null || typeof array !== 'object') {
        return null;
    }
    const values = toPhpArrayObject(array);
    for (const value of Object.values(values)) {
        const parsed = parseFloat(String(value));
        if (!isNaN(parsed)) {
            sum += parsed;
        }
    }
    return sum;
}