PHP time and date processing

PHP time and date processing

// 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 timestamp $ Start = strtotime ($ start. '-01 '); $ End = strtotime ($ end. '-01 '); $ I = 0; $ D = array (); While ($ start <= $ end ){ // Formula for calculating the total number of seconds accumulated here: the timestamp number of seconds in the previous month minus the timestamp number 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 a week in a time period. The value belongs to the 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 timestamp $ Start = strtotime ($ start. '-01 '); $ End = strtotime ($ end. '-01 '); $ I = 0; $ D = array (); While ($ start <= $ end ){ // Formula for calculating the total number of seconds accumulated here: the timestamp number of seconds in the previous month minus the timestamp number 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 days 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 );

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