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| Dir : /home/trave494/mytube.pm/wp-content/plugins/comet-cache/src/includes/traits/Plugin/WcpFeedUtils.php |
<?php
namespace WebSharks\CometCache\Traits\Plugin;
use WebSharks\CometCache\Classes;
trait WcpFeedUtils
{
/**
* Automatically clears cache files related to XML feeds.
*
* @since 150422 Rewrite.
*
* @param string $type Type of feed(s) to auto-clear.
* @param int $post_id A Post ID (when applicable).
*
* @throws \Exception If a clear failure occurs.
*
* @return int Total files cleared by this routine (if any).
*
* @note Unlike many of the other `auto_` methods, this one is NOT currently
* attached to any hooks. However, it is called upon by other routines attached to hooks.
*/
public function autoClearXmlFeedsCache($type, $post_id = 0)
{
$counter = 0; // Initialize.
if (!($type = (string) $type)) {
return $counter; // Nothing we can do.
}
$post_id = (int) $post_id; // Force integer.
if (($done = &$this->cacheKey('autoClearXmlFeedsCache', [$type, $post_id]))) {
return $counter; // Already did this.
}
$done = true; // Flag as having been done.
if (!$this->options['enable']) {
return $counter; // Nothing to do.
} elseif (!$this->options['feeds_enable']) {
return $counter; // Nothing to do.
} elseif (!$this->options['cache_clear_xml_feeds_enable']) {
return $counter; // Nothing to do.
} elseif (!is_dir($cache_dir = $this->cacheDir())) {
return $counter; // Nothing to do.
}
$utils = new Classes\FeedUtils(); // Feed utilities.
$variations = $variation_regex_frags = []; // Initialize.
switch ($type) { // Handle clearing based on the `$type`.
case 'blog': // The blog feed; i.e. `/feed/` on most WP installs.
$variations = array_merge($variations, $utils->feedLinkVariations());
break; // Break switch handler.
case 'blog-comments': // The blog comments feed; i.e. `/comments/feed/` on most WP installs.
$variations = array_merge($variations, $utils->feedLinkVariations('comments_'));
break; // Break switch handler.
case 'post-comments': // Feeds related to comments that a post has.
if (!$post_id) {
break; // Break switch handler.
}
if (!($post = get_post($post_id))) {
break; // Break switch handler.
}
$variations = array_merge($variations, $utils->postCommentsFeedLinkVariations($post));
break; // Break switch handler.
case 'post-authors': // Feeds related to authors that a post has.
if (!$post_id) {
break; // Break switch handler.
}
if (!($post = get_post($post_id))) {
break; // Break switch handler.
}
$variations = array_merge($variations, $utils->postAuthorFeedLinkVariations($post));
break; // Break switch handler.
case 'post-terms': // Feeds related to terms that a post has.
if (!$post_id) {
break; // Break switch handler.
}
if (!($post = get_post($post_id))) {
break; // Break switch handler.
}
$variations = array_merge($variations, $utils->postTermFeedLinkVariations($post, true));
break; // Break switch handler.
case 'custom-post-type': // Feeds related to a custom post type archive view.
if (!$post_id) {
break; // Break switch handler.
}
if (!($post = get_post($post_id))) {
break; // Break switch handler.
}
$variations = array_merge($variations, $utils->postTypeArchiveFeedLinkVariations($post));
break; // Break switch handler.
// @TODO Possibly consider search-related feeds in the future.
// See: <http://codex.wordpress.org/WordPress_Feeds#Categories_and_Tags>
}
if (!($variation_regex_frags = $utils->convertVariationsToHostCachePathRegexFrags($variations))) {
return $counter; // Nothing to do here.
}
$in_sets_of = $this->applyWpFilters(GLOBAL_NS.'_autoClearXmlFeedsCache_in_sets_of', 10, get_defined_vars());
for ($_i = 0; $_i < count($variation_regex_frags); $_i = $_i + $in_sets_of) {
$_variation_regex_frags = array_slice($variation_regex_frags, $_i, $in_sets_of);
$_regex = '/^\/(?:'.implode('|', $_variation_regex_frags).')\./i';
$counter += $this->clearFilesFromHostCacheDir($_regex);
} // unset($_i, $_variation_regex_frags, $_regex); // Housekeeping.
if ($counter && is_admin() && (!IS_PRO || $this->options['change_notifications_enable'])) {
$this->enqueueNotice(sprintf(__('Found %1$s in the cache, for XML feeds of type: <code>%2$s</code>; auto-clearing.', 'comet-cache'), esc_html($this->i18nFiles($counter)), esc_html($type)), ['combinable' => true]);
}
return $counter;
}
}