function date_is_all_day in Date 8
Same name and namespace in other branches
- 6.2 date_api.module \date_is_all_day()
- 7.3 date_api/date_api.module \date_is_all_day()
- 7 date_api/date_api.module \date_is_all_day()
- 7.2 date_api/date_api.module \date_is_all_day()
Determine if a start/end date combination qualify as 'All day'.
Parameters
string $string1: A string date in datetime format for the 'start' date.
string $string2: A string date in datetime format for the 'end' date.
string $granularity: (optional) The granularity of the date. Defaults to 'second'.
int $increment: (optional) The increment of the date. Defaults to 1.
Return value
bool TRUE if the date is all day, FALSE otherwise.
2 calls to date_is_all_day()
- date_all_day_date_combo_process_alter in date_all_day/
date_all_day.module - Implements hook_date_combo_process_alter().
- date_all_day_field in date_all_day/
date_all_day.module - Determine if a Start/End date combination qualify as 'All day'.
File
- date_api/
date_api.module, line 531 - This module will make the date API available to other modules. Designed to provide a light but flexible assortment of functions and constants, with more functionality in additional files that are not loaded unless other modules specifically include them.
Code
function date_is_all_day($string1, $string2, $granularity = 'second', $increment = 1) {
if (empty($string1) || empty($string2)) {
return FALSE;
}
elseif (!in_array($granularity, array(
'hour',
'minute',
'second',
))) {
return FALSE;
}
preg_match('/([0-9]{4}-[0-9]{2}-[0-9]{2}) (([0-9]{2}):([0-9]{2}):([0-9]{2}))/', $string1, $matches);
$count = count($matches);
$date1 = $count > 1 ? $matches[1] : '';
$time1 = $count > 2 ? $matches[2] : '';
$hour1 = $count > 3 ? intval($matches[3]) : 0;
$min1 = $count > 4 ? intval($matches[4]) : 0;
$sec1 = $count > 5 ? intval($matches[5]) : 0;
preg_match('/([0-9]{4}-[0-9]{2}-[0-9]{2}) (([0-9]{2}):([0-9]{2}):([0-9]{2}))/', $string2, $matches);
$count = count($matches);
$date2 = $count > 1 ? $matches[1] : '';
$time2 = $count > 2 ? $matches[2] : '';
$hour2 = $count > 3 ? intval($matches[3]) : 0;
$min2 = $count > 4 ? intval($matches[4]) : 0;
$sec2 = $count > 5 ? intval($matches[5]) : 0;
if (empty($date1) || empty($date2)) {
return FALSE;
}
if (empty($time1) || empty($time2)) {
return FALSE;
}
$calendar = system_calendar();
$tmp = $calendar
->seconds('s', TRUE, $increment);
$max_seconds = intval(array_pop($tmp));
$tmp = $calendar
->minutes('i', TRUE, $increment);
$max_minutes = intval(array_pop($tmp));
// See if minutes and seconds are the maximum allowed for an increment or the
// maximum possible (59), or 0.
switch ($granularity) {
case 'second':
$min_match = $time1 == '00:00:00' || $hour1 == 0 && $min1 == 0 && $sec1 == 0;
$max_match = $time2 == '00:00:00' || $hour2 == 23 && in_array($min2, array(
$max_minutes,
59,
)) && in_array($sec2, array(
$max_seconds,
59,
)) || $hour1 == 0 && $hour2 == 0 && $min1 == 0 && $min2 == 0 && $sec1 == 0 && $sec2 == 0;
break;
case 'minute':
$min_match = $time1 == '00:00:00' || $hour1 == 0 && $min1 == 0;
$max_match = $time2 == '00:00:00' || $hour2 == 23 && in_array($min2, array(
$max_minutes,
59,
)) || $hour1 == 0 && $hour2 == 0 && $min1 == 0 && $min2 == 0;
break;
case 'hour':
$min_match = $time1 == '00:00:00' || $hour1 == 0;
$max_match = $time2 == '00:00:00' || $hour2 == 23 || $hour1 == 0 && $hour2 == 0;
break;
default:
$min_match = TRUE;
$max_match = FALSE;
}
if ($min_match && $max_match) {
return TRUE;
}
return FALSE;
}