from mysql date time

Author: doganoo

src/Util/DateTimeUtil.php

@@ -25,6 +25,9 @@
 
 namespace doganoo\PHPUtil\Util;
 
+use DateTime;
+use Exception;
+
 /**
  * Class DateTimeUtil
  *
@@ -34,6 +37,9 @@ final class DateTimeUtil {
     /** @var string $GERMAN_DATE_TIME_FORMAT */
     public const GERMAN_DATE_TIME_FORMAT = "d.m.Y H:i:s";
 
+    /** @var string $MYSQL_DATE_TIME_FORMAT */
+    public const MYSQL_DATE_TIME_FORMAT = "Y-m-d H:i:s";
+
     /**
      * prevent from instantiation
      * StringUtil constructor.
@@ -43,20 +49,20 @@ private function __construct() {
 
     /**
      * @return int
-     * @throws \Exception
+     * @throws Exception
      */
     public static function getUnixTimestamp(): int {
-        return (new \DateTime())->getTimestamp();
+        return (new DateTime())->getTimestamp();
     }
 
     /**
      * @param int $hours
-     * @param \DateTime|null $dateTime
-     * @return \DateTime
-     * @throws \Exception
+     * @param DateTime|null $dateTime
+     * @return DateTime
+     * @throws Exception
      */
-    public static function subtractHours(int $hours, \DateTime $dateTime = null): \DateTime {
-        if (null === $dateTime) $dateTime = new \DateTime();
+    public static function subtractHours(int $hours, DateTime $dateTime = null): DateTime {
+        if (null === $dateTime) $dateTime = new DateTime();
         $dateTime->modify("-$hours hours");
         return $dateTime;
     }
@@ -66,10 +72,10 @@ public static function subtractHours(int $hours, \DateTime $dateTime = null): \D
      *
      * @param int $timestamp
      * @return string
-     * @throws \Exception
+     * @throws Exception
      */
     public static function timestampToGermanDateFormat(int $timestamp): string {
-        $dateTime = new \DateTime();
+        $dateTime = new DateTime();
         $dateTime->setTimestamp($timestamp);
         $format = $dateTime->format(DateTimeUtil::GERMAN_DATE_TIME_FORMAT);
         return $format;
@@ -84,6 +90,13 @@ public static function timestampToGermanDateFormat(int $timestamp): string {
      */
     public static function valid(string $date, string $format): bool {
         return date($format, strtotime($date)) === $date;
+    }
 
+    /**
+     * @param string $date
+     * @return DateTime
+     */
+    public static function fromMysqlDateTime(string $date): DateTime{
+        return DateTime::createFromFormat(DateTimeUtil::MYSQL_DATE_TIME_FORMAT, $date);
     }
 }

test/Util/DateTimeUtilTest.php

@@ -1,5 +1,27 @@
 <?php
-
+/**
+ * MIT License
+ *
+ * Copyright (c) 2018 Dogan Ucar, <dogan@dogan-ucar.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
 
 use doganoo\PHPUtil\Util\DateTimeUtil;
 use PHPUnit\Framework\TestCase;
@@ -15,4 +37,10 @@ public function testValid(){
         $this->assertTrue(true === DateTimeUtil::valid("01-02-2018", "d-m-Y"));
     }
 
+    public function testFromMysqlDateTime(){
+        $dateTimeString = "2019-09-20 19:21:47";
+        $dateTime = DateTimeUtil::fromMysqlDateTime($dateTimeString);
+        $this->assertTrue($dateTime->format(DateTimeUtil::MYSQL_DATE_TIME_FORMAT) === $dateTimeString);
+    }
+
 }