php date

date.php

<?php 

$str = '15:17 14.09.2019';
$d = strtotime($str);
 echo  date_diff(new DateTime(), new DateTime('15:17 15.09.2019'))->days;

// format
$str = '2019-07-27T10:44:15+10:00';
$d = date("jS F, Y", strtotime($str));


///////////////////////////////////////////////////////////////////////////////////////////
/////// check data
///////////////////////////////////////////////////////////////////////////////////////////
    public static function valid_period_to_order($cart_item_data, $id_auto)
    {
		foreach (self::get_order_time($id_auto) as $key => $period) {

			$t1_equally = strtotime($period['start-time']) == strtotime($cart_item_data['pixba_booking']['Finish time']);
			$t2_equally = strtotime($period['finish-time']) == strtotime($cart_item_data['pixba_booking']['Start time']);
			$t1 = strtotime($period['start-time']) < strtotime($cart_item_data['pixba_booking']['Start time']);
			$t2 = strtotime($period['start-time']) < strtotime($cart_item_data['pixba_booking']['Finish time']);
			$t3 = strtotime($period['finish-time']) < strtotime($cart_item_data['pixba_booking']['Start time']);
			$t4 = strtotime($period['finish-time']) < strtotime($cart_item_data['pixba_booking']['Finish time']);
			// есть смежные даты бронирования
			if($t1_equally || $t2_equally){
			}else{
				// есть в брони
				if( ( ($t1 ^ $t2) ||  ($t3 ^ $t4) )  ){
					self::$settings['notice'][] = self::$strings['date_is_booked'];
				}
			}
		}
    }
    $start_date = DateTime::createFromFormat('Y-m-d', $start_date_text);
    $start_date->modify('+1 day');
    $finish_time = DateTime::createFromFormat(self::$settings['date_format'], $cart_item_data['pixba_booking']['Finish time']);
    $str_date = date('Y-m-d', time());

	$today =  DateTime::createFromFormat('Y-m-d', date('Y-m-d', time()) );


/*========================================================
	  *  russian_date
	========================================================*/	
function russian_date(){
$date=explode(".", date("d.m.Y"));
switch ($date[1]){
case 1: $m='января'; break;
case 2: $m='февраля'; break;
case 3: $m='марта'; break;
case 4: $m='апреля'; break;
case 5: $m='мая'; break;
case 6: $m='июня'; break;
case 7: $m='июля'; break;
case 8: $m='августа'; break;
case 9: $m='сентября'; break;
case 10: $m='октября'; break;
case 11: $m='ноября'; break;
case 12: $m='декабря'; break;
}
echo $m;
}
russian_date();


/*========================================================
  *  Timezone
========================================================*/
    private static function getWpTimezone() {
        if (!empty(self::$timezone)) {
            return self::$timezone;
        }
        $timezone_string = get_option( 'timezone_string' );
        if (!empty($timezone_string)) {
            return self::$timezone = new DateTimeZone($timezone_string);
        }
        $offset  = get_option( 'gmt_offset' );
        $hours   = (int) $offset;
        $minutes = abs( ( $offset - (int) $offset ) * 60 );
        $offset  = sprintf( '%+03d:%02d', $hours, $minutes );
        return self::$timezone = new DateTimeZone($offset);
    }