PHP time and date processing collation

Returns the timestamp of all months in a time period function Monthlist ($start, $end) { if (!is_numeric ($start) | |! Is_numeric ($end) | | ($end <= $start)) Return '; $start =date (' y-m ', $start); $end =date (' y-m ', $end); Convert to time stamp $start =strtotime ($start. '-01 '); $end =strtotime ($end. '-01 '); $i = 0; $d =array (); while ($start <= $end) { This adds up the total number of seconds per month calculation formula: Timestamp seconds from January 1 minus the timestamp of the current month $d [$i]=trim (Date (' Y-m ', $start), '); $start +=strtotime (' +1 month ', $start)-$start; $i + +; } return $d; } Returns the start and end dates of the week within a time period date type function Monthlist ($start, $end) { if (!is_numeric ($start) | |! Is_numeric ($end) | | ($end <= $start)) Return '; $start =date (' y-m ', $start); $end =date (' y-m ', $end); Convert to time stamp $start =strtotime ($start. '-01 '); $end =strtotime ($end. '-01 '); $i = 0; $d =array (); while ($start <= $end) { This adds up the total number of seconds per month calculation formula: Timestamp seconds from January 1 minus the timestamp of the current month $d [$i]=trim (Date (' Y-m ', $start), '); $start +=strtotime (' +1 month ', $start)-$start; $i + +; } return $d; } Returns the first and last day of a month function Getthemonth ($date) { $firstday = Date (' y-m-01 ', Strtotime ($date)); $lastday = Date (' y-m-d ', Strtotime ("$firstday +1 month-1 Day"); Return Array ($firstday, $lastday); } $today = Date ("y-m-d"); $day =getthemonth ($today); Copy Code

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