initial

var/IXR/Date.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace IXR;
+
+/**
+ * IXR日期
+ *
+ * @package IXR
+ */
+class Date
+{
+    private string $year;
+
+    private string $month;
+
+    private string $day;
+
+    private string $hour;
+
+    private string $minute;
+
+    private string $second;
+
+    private string $timezone;
+
+    /**
+     * @param int|string $time
+     */
+    public function __construct($time)
+    {
+        // $time can be a PHP timestamp or an ISO one
+        if (is_numeric($time)) {
+            $this->parseTimestamp(intval($time));
+        } else {
+            $this->parseIso($time);
+        }
+    }
+
+    /**
+     * @param int $timestamp
+     */
+    private function parseTimestamp(int $timestamp)
+    {
+        $this->year = gmdate('Y', $timestamp);
+        $this->month = gmdate('m', $timestamp);
+        $this->day = gmdate('d', $timestamp);
+        $this->hour = gmdate('H', $timestamp);
+        $this->minute = gmdate('i', $timestamp);
+        $this->second = gmdate('s', $timestamp);
+        $this->timezone = '';
+    }
+
+    /**
+     * @param string $iso
+     */
+    private function parseIso(string $iso)
+    {
+        $this->year = substr($iso, 0, 4);
+        $this->month = substr($iso, 4, 2);
+        $this->day = substr($iso, 6, 2);
+        $this->hour = substr($iso, 9, 2);
+        $this->minute = substr($iso, 12, 2);
+        $this->second = substr($iso, 15, 2);
+        $this->timezone = substr($iso, 17);
+    }
+
+    /**
+     * @return string
+     */
+    public function getIso(): string
+    {
+        return $this->year . $this->month . $this->day . 'T' . $this->hour . ':' . $this->minute . ':' . $this->second . $this->timezone;
+    }
+
+    /**
+     * @return string
+     */
+    public function getXml(): string
+    {
+        return '<dateTime.iso8601>' . $this->getIso() . '</dateTime.iso8601>';
+    }
+
+    /**
+     * @return false|int
+     */
+    public function getTimestamp()
+    {
+        return mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
+    }
+}