locutus/esm/php/datetime/gmstrftime.js

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

import { strftime } from "../datetime/strftime.js";
export function gmstrftime(format, timestamp) {
    //      discuss at: https://locutus.io/php/gmstrftime/
    // parity verified: PHP 8.3
    //     original by: Brett Zamir (https://brett-zamir.me)
    //        input by: Alex
    //     bugfixed by: Brett Zamir (https://brett-zamir.me)
    //       example 1: gmstrftime("%A", 1062462400)
    //       returns 1: 'Tuesday'
    const date = typeof timestamp === 'undefined'
        ? new Date()
        : timestamp instanceof Date
            ? new Date(timestamp)
            : new Date(timestamp * 1000);
    const utcTimestamp = Date.parse(date.toUTCString().slice(0, -4)) / 1000;
    return strftime(format, utcTimestamp);
}