locutus/esm/php/array/array_fill.js

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

export function array_fill(startIndex, num, mixedVal) {
    //      discuss at: https://locutus.io/php/array_fill/
    // parity verified: PHP 8.3
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //     improved by: Waldo Malqui Silva (https://waldo.malqui.info)
    //       example 1: array_fill(5, 6, 'banana')
    //       returns 1: { 5: 'banana', 6: 'banana', 7: 'banana', 8: 'banana', 9: 'banana', 10: 'banana' }
    const tmpArr = {};
    if (!isNaN(startIndex) && !isNaN(num)) {
        for (let key = 0; key < num; key++) {
            tmpArr[String(key + startIndex)] = mixedVal;
        }
    }
    return tmpArr;
}