_Setting, _String, _Time 클래스 재 명명

- autoload로 변환

src/sammo/TimeUtil.php

@@ -0,0 +1,48 @@
+<?php
+namespace sammo;
+
+class TimeUtil {
+    public static function DateToday() {
+        return date('Y-m-d');
+    }
+
+    public static function DatetimeNow() {
+        return date('Y-m-d H:i:s');
+    }
+
+    public static function DatetimeFromNowMinute($minute) {
+        return date('Y-m-d H:i:s', strtotime("{$minute} minutes"));
+    }
+
+    public static function DatetimeFromNowSecond($second) {
+        return date('Y-m-d H:i:s', strtotime("{$second} seconds"));
+    }
+
+    public static function DatetimeFromMinute($date, $minute) {
+        return date('Y-m-d H:i:s', strtotime($date) + $minute*60);
+    }
+
+    public static function DatetimeFromSecond($date, $second) {
+        return date('Y-m-d H:i:s', strtotime($date) + $second);
+    }
+
+    public static function CutSecond($date) {
+        $date[17] = '0';
+        $date[18] = '0';
+        return $date;
+    }
+
+    public static function CutMinute($date) {
+        $date[14] = '0';
+        $date[15] = '0';
+        $date[17] = '0';
+        $date[18] = '0';
+        return $date;
+    }
+
+    public static function HourMinuteSecond($second) {
+        return date('H:i:s', strtotime('00:00:00') + $second);
+    }
+}
+
+