Resource/fullcalendar/examples/php/utils.php

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<?php

//--------------------------------------------------------------------------------------------------
// Utilities for our event-fetching scripts.
//
// Requires PHP 5.2.0 or higher.
//--------------------------------------------------------------------------------------------------

// PHP will fatal error if we attempt to use the DateTime class without this being set.
date_default_timezone_set('UTC');


class Event {

  // Tests whether the given ISO8601 string has a time-of-day or not
  const ALL_DAY_REGEX = '/^\d{4}-\d\d-\d\d$/'; // matches strings like "2013-12-29"

  public $title;
  public $allDay; // a boolean
  public $start; // a DateTime
  public $end; // a DateTime, or null
  public $properties = array(); // an array of other misc properties


  // Constructs an Event object from the given array of key=>values.
  // You can optionally force the timeZone of the parsed dates.
  public function __construct($array, $timeZone=null) {

    $this->title = $array['title'];

    if (isset($array['allDay'])) {
      // allDay has been explicitly specified
      $this->allDay = (bool)$array['allDay'];
    }
    else {
      // Guess allDay based off of ISO8601 date strings
      $this->allDay = preg_match(self::ALL_DAY_REGEX, $array['start']) &&
        (!isset($array['end']) || preg_match(self::ALL_DAY_REGEX, $array['end']));
    }

    if ($this->allDay) {
      // If dates are allDay, we want to parse them in UTC to avoid DST issues.
      $timeZone = null;
    }

    // Parse dates
    $this->start = parseDateTime($array['start'], $timeZone);
    $this->end = isset($array['end']) ? parseDateTime($array['end'], $timeZone) : null;

    // Record misc properties
    foreach ($array as $name => $value) {
      if (!in_array($name, array('title', 'allDay', 'start', 'end'))) {
        $this->properties[$name] = $value;
      }
    }
  }


  // Returns whether the date range of our event intersects with the given all-day range.
  // $rangeStart and $rangeEnd are assumed to be dates in UTC with 00:00:00 time.