diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/SimplePie/src/Cache/MySQL.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/SimplePie/src/Cache/MySQL.php	Fri Sep 05 18:52:52 2025 +0200
@@ -0,0 +1,383 @@
+<?php
+
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Sam Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+namespace SimplePie\Cache;
+
+/**
+ * Caches data to a MySQL database
+ *
+ * Registered for URLs with the "mysql" protocol
+ *
+ * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will
+ * connect to the `mydb` database on `localhost` on port 3306, with the user
+ * `root` and the password `password`. All tables will be prefixed with `sp_`
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
+ */
+class MySQL extends DB
+{
+    /**
+     * PDO instance
+     *
+     * @var \PDO
+     */
+    protected $mysql;
+
+    /**
+     * Options
+     *
+     * @var array
+     */
+    protected $options;
+
+    /**
+     * Cache ID
+     *
+     * @var string
+     */
+    protected $id;
+
+    /**
+     * Create a new cache object
+     *
+     * @param string $location Location string (from SimplePie::$cache_location)
+     * @param string $name Unique ID for the cache
+     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+     */
+    public function __construct($location, $name, $type)
+    {
+        $this->options = [
+            'user' => null,
+            'pass' => null,
+            'host' => '127.0.0.1',
+            'port' => '3306',
+            'path' => '',
+            'extras' => [
+                'prefix' => '',
+                'cache_purge_time' => 2592000
+            ],
+        ];
+
+        $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location));
+
+        // Path is prefixed with a "/"
+        $this->options['dbname'] = substr($this->options['path'], 1);
+
+        try {
+            $this->mysql = new \PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], [\PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']);
+        } catch (\PDOException $e) {
+            $this->mysql = null;
+            return;
+        }
+
+        $this->id = $name . $type;
+
+        if (!$query = $this->mysql->query('SHOW TABLES')) {
+            $this->mysql = null;
+            return;
+        }
+
+        $db = [];
+        while ($row = $query->fetchColumn()) {
+            $db[] = $row;
+        }
+
+        if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) {
+            $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
+            if ($query === false) {
+                trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", \E_USER_WARNING);
+                $this->mysql = null;
+                return;
+            }
+        }
+
+        if (!in_array($this->options['extras']['prefix'] . 'items', $db)) {
+            $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
+            if ($query === false) {
+                trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", \E_USER_WARNING);
+                $this->mysql = null;
+                return;
+            }
+        }
+    }
+
+    /**
+     * Save data to the cache
+     *
+     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+     * @return bool Successfulness
+     */
+    public function save($data)
+    {
+        if ($this->mysql === null) {
+            return false;
+        }
+
+        $query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' .
+            '`' . $this->options['extras']['prefix'] . 'items` i ' .
+            'WHERE cd.id = i.feed_id ' .
+            'AND cd.mtime < (unix_timestamp() - :purge_time)');
+        $query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']);
+
+        if (!$query->execute()) {
+            return false;
+        }
+
+        if ($data instanceof \SimplePie\SimplePie) {
+            $data = clone $data;
+
+            $prepared = self::prepare_simplepie_object_for_cache($data);
+
+            $query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
+            $query->bindValue(':feed', $this->id);
+            if ($query->execute()) {
+                if ($query->fetchColumn() > 0) {
+                    $items = count($prepared[1]);
+                    if ($items) {
+                        $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
+                        $query = $this->mysql->prepare($sql);
+                        $query->bindValue(':items', $items);
+                    } else {
+                        $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
+                        $query = $this->mysql->prepare($sql);
+                    }
+
+                    $query->bindValue(':data', $prepared[0]);
+                    $query->bindValue(':time', time());
+                    $query->bindValue(':feed', $this->id);
+                    if (!$query->execute()) {
+                        return false;
+                    }
+                } else {
+                    $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
+                    $query->bindValue(':feed', $this->id);
+                    $query->bindValue(':count', count($prepared[1]));
+                    $query->bindValue(':data', $prepared[0]);
+                    $query->bindValue(':time', time());
+                    if (!$query->execute()) {
+                        return false;
+                    }
+                }
+
+                $ids = array_keys($prepared[1]);
+                if (!empty($ids)) {
+                    foreach ($ids as $id) {
+                        $database_ids[] = $this->mysql->quote($id);
+                    }
+
+                    $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
+                    $query->bindValue(':feed', $this->id);
+
+                    if ($query->execute()) {
+                        $existing_ids = [];
+                        while ($row = $query->fetchColumn()) {
+                            $existing_ids[] = $row;
+                        }
+
+                        $new_ids = array_diff($ids, $existing_ids);
+
+                        foreach ($new_ids as $new_id) {
+                            if (!($date = $prepared[1][$new_id]->get_date('U'))) {
+                                $date = time();
+                            }
+
+                            $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
+                            $query->bindValue(':feed', $this->id);
+                            $query->bindValue(':id', $new_id);
+                            $query->bindValue(':data', serialize($prepared[1][$new_id]->data));
+                            $query->bindValue(':date', $date);
+                            if (!$query->execute()) {
+                                return false;
+                            }
+                        }
+                        return true;
+                    }
+                } else {
+                    return true;
+                }
+            }
+        } else {
+            $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
+            $query->bindValue(':feed', $this->id);
+            if ($query->execute()) {
+                if ($query->rowCount() > 0) {
+                    $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
+                    $query->bindValue(':data', serialize($data));
+                    $query->bindValue(':time', time());
+                    $query->bindValue(':feed', $this->id);
+                    if ($query->execute()) {
+                        return true;
+                    }
+                } else {
+                    $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
+                    $query->bindValue(':id', $this->id);
+                    $query->bindValue(':data', serialize($data));
+                    $query->bindValue(':time', time());
+                    if ($query->execute()) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Retrieve the data saved to the cache
+     *
+     * @return array Data for SimplePie::$data
+     */
+    public function load()
+    {
+        if ($this->mysql === null) {
+            return false;
+        }
+
+        $query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+        $query->bindValue(':id', $this->id);
+        if ($query->execute() && ($row = $query->fetch())) {
+            $data = unserialize($row[1]);
+
+            if (isset($this->options['items'][0])) {
+                $items = (int) $this->options['items'][0];
+            } else {
+                $items = (int) $row[0];
+            }
+
+            if ($items !== 0) {
+                if (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0])) {
+                    $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0];
+                } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0])) {
+                    $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0];
+                } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0])) {
+                    $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0];
+                } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0])) {
+                    $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0];
+                } else {
+                    $feed = null;
+                }
+
+                if ($feed !== null) {
+                    $sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
+                    if ($items > 0) {
+                        $sql .= ' LIMIT ' . $items;
+                    }
+
+                    $query = $this->mysql->prepare($sql);
+                    $query->bindValue(':feed', $this->id);
+                    if ($query->execute()) {
+                        while ($row = $query->fetchColumn()) {
+                            $feed['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
+                        }
+                    } else {
+                        return false;
+                    }
+                }
+            }
+            return $data;
+        }
+        return false;
+    }
+
+    /**
+     * Retrieve the last modified time for the cache
+     *
+     * @return int Timestamp
+     */
+    public function mtime()
+    {
+        if ($this->mysql === null) {
+            return false;
+        }
+
+        $query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+        $query->bindValue(':id', $this->id);
+        if ($query->execute() && ($time = $query->fetchColumn())) {
+            return $time;
+        }
+
+        return false;
+    }
+
+    /**
+     * Set the last modified time to the current time
+     *
+     * @return bool Success status
+     */
+    public function touch()
+    {
+        if ($this->mysql === null) {
+            return false;
+        }
+
+        $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
+        $query->bindValue(':time', time());
+        $query->bindValue(':id', $this->id);
+
+        return $query->execute() && $query->rowCount() > 0;
+    }
+
+    /**
+     * Remove the cache
+     *
+     * @return bool Success status
+     */
+    public function unlink()
+    {
+        if ($this->mysql === null) {
+            return false;
+        }
+
+        $query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+        $query->bindValue(':id', $this->id);
+        $query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');
+        $query2->bindValue(':id', $this->id);
+
+        return $query->execute() && $query2->execute();
+    }
+}
+
+class_alias('SimplePie\Cache\MySQL', 'SimplePie_Cache_MySQL');