first commit

wp-includes/class-wp-feed-cache.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Feed API: WP_Feed_Cache class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ * @deprecated 5.6.0
+ */
+
+_deprecated_file(
+	basename( __FILE__ ),
+	'5.6.0',
+	'',
+	__( 'This file is only loaded for backward compatibility with SimplePie 1.2.x. Please consider switching to a recent SimplePie version.' )
+);
+
+/**
+ * Core class used to implement a feed cache.
+ *
+ * @since 2.8.0
+ */
+#[AllowDynamicProperties]
+class WP_Feed_Cache extends SimplePie_Cache {
+
+	/**
+	 * Creates a new SimplePie_Cache object.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @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'.
+	 * @return WP_Feed_Cache_Transient Feed cache handler object that uses transients.
+	 */
+	public function create( $location, $filename, $extension ) {
+		return new WP_Feed_Cache_Transient( $location, $filename, $extension );
+	}
+}