locutus/esm/php/array/array_shift.js

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

export function array_shift(inputArr) {
    //  discuss at: https://locutus.io/php/array_shift/
    // original by: Kevin van Zonneveld (https://kvz.io)
    // improved by: Martijn Wieringa
    //      note 1: Currently does not handle objects
    //   example 1: array_shift(['Kevin', 'van', 'Zonneveld'])
    //   returns 1: 'Kevin'
    if (inputArr.length === 0) {
        return null;
    }
    if (inputArr.length > 0) {
        return inputArr.shift() ?? null;
    }
    return null;
}