Commit realizado el 12:13:52 08-04-2024

wp-content/plugins/seo-by-rank-math/includes/modules/sitemap/class-timezone.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Sitemap date format class.
+ *
+ * @since      0.9.0
+ * @package    RankMath
+ * @subpackage RankMath\Sitemap
+ * @author     Rank Math <support@rankmath.com>
+ *
+ * @copyright Copyright (C) 2008-2019, Yoast BV
+ * The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
+ */
+
+namespace RankMath\Sitemap;
+
+use DateTime;
+use Exception;
+use DateTimeZone;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Timezone.
+ */
+class Timezone {
+
+	/**
+	 * Format arbitrary UTC datetime string to desired form in site's time zone.
+	 *
+	 * @param string $datetime_string The input datetime string in UTC time zone.
+	 * @param string $format          Date format to use.
+	 *
+	 * @return string
+	 */
+	public function format_date( $datetime_string, $format = DATE_W3C ) {
+		if ( empty( $datetime_string ) || false === $this->is_valid_datetime( $datetime_string ) ) {
+			return '';
+		}
+
+		$date_time = new DateTime( $datetime_string, new DateTimeZone( 'UTC' ) );
+
+		return false === $date_time ? '' : $date_time->format( $format );
+	}
+
+	/**
+	 * Check if a string is a valid datetime.
+	 *
+	 * @param  string $datetime String input to check as valid input for DateTime class.
+	 * @return boolean
+	 */
+	private function is_valid_datetime( $datetime ) {
+		if ( substr( $datetime, 0, 1 ) === '-' ) {
+			return false;
+		}
+
+		try {
+			return new DateTime( $datetime ) !== false;
+		} catch ( Exception $exc ) {
+			return false;
+		}
+	}
+}