locutus/esm/php/array/array_diff_key.js

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

import { entriesOfPhpAssoc, toPhpArrayObject } from "../_helpers/_phpTypes.js";
export function array_diff_key(arr1, ...arrays) {
    //  discuss at: https://locutus.io/php/array_diff_key/
    // original by: Ates Goral (https://magnetiq.com)
    //  revised by: Brett Zamir (https://brett-zamir.me)
    //    input by: Everlasto
    //   example 1: array_diff_key({red: 1, green: 2, blue: 3, white: 4}, {red: 5})
    //   returns 1: {"green":2, "blue":3, "white":4}
    //   example 2: array_diff_key({red: 1, green: 2, blue: 3, white: 4}, {red: 5}, {red: 5})
    //   returns 2: {"green":2, "blue":3, "white":4}
    const retArr = {};
    if (arrays.length < 1) {
        return retArr;
    }
    const arr1Object = toPhpArrayObject(arr1);
    arr1keys: for (const [k1, arr1Value] of entriesOfPhpAssoc(arr1Object)) {
        for (const nextArray of arrays) {
            const arr = toPhpArrayObject(nextArray);
            for (const [k] of entriesOfPhpAssoc(arr)) {
                if (k === k1) {
                    continue arr1keys;
                }
            }
        }
        retArr[k1] = arr1Value;
    }
    return retArr;
}