Club Drupal

<?php

/**

 * @file

 * Date Devel Generate code.

 */

use Drupal\Core\Datetime\DrupalDateTime;

/**

 * Implements hook_devel_generate().

 *

 * Included only when needed.

 */

function date_devel_generate($entity, $field, $instance, $bundle) {

  $entity_field = array();

  if (isset($instance['widget']['settings']['year_range'])) {

    $split = explode(':', $instance['widget']['settings']['year_range']);

    $back = str_replace('-', '', $split[0]);

    $forward = str_replace('+', '', $split[1]);

  }

  else {

    $back = 2;

    $forward = 2;

  }

  // Pick a random year within the time range,

  // and a random second within that year.

  $year = date_format(new DrupalDateTime(), 'Y') - $back + mt_rand(0, ($forward + $back));

  $start = new DrupalDateTime($year . '-01-01 00:00:00', date_get_timezone_db($field['settings']['tz_handling']));

  $leap = date_format($start, 'L');

  $max_days = $leap ? 366 : 365;

  $seconds = mt_rand(0, ($max_days * 86400));

  date_modify($start, "+$seconds seconds");

  $increment = $instance['widget']['settings']['increment'];

  date_increment_round($start, $increment);

  // Modify End date by 1 hour to 3 days, shorter for repeating dates

  // longer for others.

  $start2 = clone($start);

  $max = !empty($field['settings']['repeat']) ? 720 : 4320;

  $max = 240;

  date_modify($start2, '+' . mt_rand(60, $max) . ' minutes');

  date_increment_round($start2, $increment);

  if ($field['settings']['tz_handling'] == 'date') {

    // Choose a random timezone.

    // Not all keys exist, so we have to check.

    $timezones = array_keys(system_time_zones(TRUE));

    $key = mt_rand(0, count($timezones) - 1);

    if (!array_key_exists($key, $timezones)) {

      $timezone = drupal_get_user_timezone();

    }

    else {

      $timezone = $timezones[$key];

    }

  }

  else {

    $timezone = date_get_timezone($field['settings']['tz_handling']);

  }

  $format = DATE_FORMAT_ISO;

  $entity_field['value'] = date_format($start, $format);

  if ($field['settings']['todate']) {

    $entity_field['value2'] = date_format($start2, $format);

  }

  date_timezone_set($start, timezone_open($timezone));

  $entity_field['timezone'] = $timezone;

  $entity_field['offset'] = date_offset_get($start);

  date_timezone_set($start2, timezone_open($timezone));

  $entity_field['offset2'] = date_offset_get($start2);

  return $entity_field;

}