kylekatarnls

var dateString = '2018-01-25'; // can be numbers concat: year + '-' + month + '-' + day
var timeString = '12:30';

var date = new Date(dateString + 'T' + timeString); // use the `T` separator for cross-browser compatibility

kylekatarnls

var lang = 'fr';
var timezone = 'Europe/Paris'; // Use timezone = null to use the browser timezone

moment.prototype.userFormat = function (format) {
  if (timezone) {
    this.tz(timezone);
  }

  if (lang) {
    this.locale(lang);

kylekatarnls

<?php
$date = $this
  ->tz($timezone ?: 'America/Chicago')
  ->locale($lang ?: 'en_US');

kylekatarnls

<?php
// Create a macro with user settings
CarbonImmutable::macro('userFormat', function ($format = null) use ($timezone, $lang) {
  $date = $this->tz($timezone)->locale($lang);
  if ($format) {
    return $date->isoFormat($format); // translated formatting if custom format given
  }

  return $date->calendar(); // default to calendar without format
});

kylekatarnls

moment('2018-05-12T23:16:46.123456Z').locale('fr').calendar()

kylekatarnls

<?php
$utcString = '2018-05-12 23:16:46.123456';
$date = new CarbonImmutable($utcString);

echo $date->tz($timezone)->locale($lang)->calendar();

kylekatarnls

<?php
$inputDateString = '2018-05-12 23:16:46.123456';
$start = new CarbonImmutable($inputDateString);
$end = $start->modify('+2 days');

echo json_encode([
  'title' => 'Foobar',
  'start' => $start,
  'end' => $end,
]);

kylekatarnls

<?php
$inputDateString = '2018-05-12 23:16:46.123456';
$date = new CarbonImmutable($inputDateString);

echo $date->toJSON();

kylekatarnls

<?php
setlocale(LC_TIME, "$lang.UTF-8", "$lang.utf8", $lang, strstr($lang, '_', true));

$utcString = '2018-05-12 23:16:46.123456';
$date = new DateTimeImmutable($utcString);
$localString = $date->setTimezone(new DateTimeZone($timezone))->format('Y-m-d H:i:s.u');

echo strftime('%x %X', strtotime($localString));

kylekatarnls

<?php
$inputDateString = '2018-05-12 23:16:46.123456'; // get from DB or some API
$jsonFormat = 'Y-m-d\TH:i:s.u\Z';
$start = new DateTimeImmutable($inputDateString);
$end = $start->modify('+2 days');

echo json_encode([
  'title' => 'Foobar',
  'start' => $start->format($jsonFormat),
  'end' => $end->format($jsonFormat),