From a415c29efee45520ae252d2aa28f1083a521cd7b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 09:56:49 +0200
Subject: Adding upstream version 6.4.3+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 wp-includes/class-wp-feed-cache-transient.php | 133 ++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 wp-includes/class-wp-feed-cache-transient.php

(limited to 'wp-includes/class-wp-feed-cache-transient.php')

diff --git a/wp-includes/class-wp-feed-cache-transient.php b/wp-includes/class-wp-feed-cache-transient.php
new file mode 100644
index 0000000..1d39932
--- /dev/null
+++ b/wp-includes/class-wp-feed-cache-transient.php
@@ -0,0 +1,133 @@
+<?php
+/**
+ * Feed API: WP_Feed_Cache_Transient class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to implement feed cache transients.
+ *
+ * @since 2.8.0
+ */
+#[AllowDynamicProperties]
+class WP_Feed_Cache_Transient {
+
+	/**
+	 * Holds the transient name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Holds the transient mod name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $mod_name;
+
+	/**
+	 * Holds the cache duration in seconds.
+	 *
+	 * Defaults to 43200 seconds (12 hours).
+	 *
+	 * @since 2.8.0
+	 * @var int
+	 */
+	public $lifetime = 43200;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.8.0
+	 * @since 3.2.0 Updated to use a PHP5 constructor.
+	 *
+	 * @param string $location  URL location (scheme is used to determine handler).
+	 * @param string $filename  Unique identifier for cache object.
+	 * @param string $extension 'spi' or 'spc'.
+	 */
+	public function __construct( $location, $filename, $extension ) {
+		$this->name     = 'feed_' . $filename;
+		$this->mod_name = 'feed_mod_' . $filename;
+
+		$lifetime = $this->lifetime;
+		/**
+		 * Filters the transient lifetime of the feed cache.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param int    $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours).
+		 * @param string $filename Unique identifier for the cache object.
+		 */
+		$this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename );
+	}
+
+	/**
+	 * Sets the transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param SimplePie $data Data to save.
+	 * @return true Always true.
+	 */
+	public function save( $data ) {
+		if ( $data instanceof SimplePie ) {
+			$data = $data->data;
+		}
+
+		set_transient( $this->name, $data, $this->lifetime );
+		set_transient( $this->mod_name, time(), $this->lifetime );
+		return true;
+	}
+
+	/**
+	 * Gets the transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return mixed Transient value.
+	 */
+	public function load() {
+		return get_transient( $this->name );
+	}
+
+	/**
+	 * Gets mod transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return mixed Transient value.
+	 */
+	public function mtime() {
+		return get_transient( $this->mod_name );
+	}
+
+	/**
+	 * Sets mod transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return bool False if value was not set and true if value was set.
+	 */
+	public function touch() {
+		return set_transient( $this->mod_name, time(), $this->lifetime );
+	}
+
+	/**
+	 * Deletes transients.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return true Always true.
+	 */
+	public function unlink() {
+		delete_transient( $this->name );
+		delete_transient( $this->mod_name );
+		return true;
+	}
+}
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