PHP gets yesterday's timestamp, current time information array, last week and last week's year, last month and last month's year

/**
 * 获取当前时间信息数组
 * @params void
 * @return array
 */
function get_current_time_array()
{

    $date = strtotime(date('Y-m-d'));   //日期时间戳
    $week = (int)date('W');             //本年第几周
    $month = (int)date('n');            //月份
    $year = (int)date('Y');             //年份
    $time_array = array(
        'date' => $date,
        'week' => $week,
        'month' => $month,
        'year' => $year,
    );

}

/**
 * 获取昨天时间戳
 * @params void
 * @return int
 */
function get_prev_day()
{
    return strtotime(date('Y-m-d', strtotime('last day')));

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The above introduces PHP to obtain yesterday's timestamp, current time information array, last week and last week's year, last month and last month's year, including the content. I hope it will be helpful to friends who are interested in PHP tutorials. .