2603.0 - First effort...

functions.php

@@ -0,0 +1,60 @@
+<?php
+function print_datetime($datestring){
+	$display_datetime=substr($datestring,0,4)."/".substr($datestring,4,2)."/".substr($datestring,6,2)." ".substr($datestring,8,2).":".substr($datestring,10,2).":".substr($datestring,12,2);
+	return $display_datetime;
+}
+
+function extract_date($datestring){
+	$dateonly=substr($datestring,0,4)."/".substr($datestring,4,2)."/".substr($datestring,6,2);
+	return $dateonly;
+}
+
+function datedigits($datestring){
+	$datedig=substr($datestring,0,8);
+	return $datedig;
+}
+
+function extract_time($datestring){
+	$timeonly=substr($datestring,8,2).":".substr($datestring,10,2).":".substr($datestring,12,2);
+	return $timeonly;
+}
+
+function timedigits($datestring){
+	$timedig=substr($datestring,8,14);
+	return $timedig;
+}
+
+function add_days($datestring,$no_of_days){
+	$datedig=datedigits($datestring);
+	$timedig=timedigits($datestring);
+	$newdate=date('Ymd',strtotime($datedig.' + '.$no_of_days.' days')).$timedig;
+	return $newdate;
+}
+
+function add_months($datestring,$no_of_month){
+	$datedig=datedigits($datestring);
+	$timedig=timedigits($datestring);
+	$newdate=date('Ymd',strtotime($datedig.' + '.$no_of_month.' month')).$timedig;
+	return $newdate;
+}
+
+function add_years($datestring,$no_of_yrs){
+	$datedig=datedigits($datestring);
+	$timedig=timedigits($datestring);
+	$newdate=date('Ymd',strtotime($datedig.' + '.$no_of_yrs.' year')).$timedig;
+	return $newdate;
+}
+
+function datetodigits($formdate){
+	$alldigits=array("0","1","2","3","4","5","6","7","8","9");
+	$length=strlen($formdate);
+	$digitdate="";
+	for($i=0;$i<$length;$i++){
+		$digit=substr($formdate,$i,1);
+		if (in_array($digit,$alldigits)){
+			$digitdate=$digitdate.$digit;
+		}
+	}
+	return $digitdate;
+}
+?>