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wp-content/plugins/pressable-cache-management/remove-mu-plugins-batcache-on-uninstall.php

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+<?php
+/**
+ * Called by uninstall.php to remove all Pressable Cache Management MU plugins when plugin is uninstalled.
+ *
+ * @package Pressable
+ */
+
+// Disable direct file access.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/*
+ * Remove Pressable Cache Management mu-plugins.
+ */
+
+global $wp_filesystem;
+if ( empty( $wp_filesystem ) ) {
+	require_once ABSPATH . '/wp-admin/includes/file.php';
+	WP_Filesystem();
+}
+
+// Remove Pressable Cache Management mu-plugin index.
+$pcm_mu_plugin_index = WP_CONTENT_DIR . '/mu-plugins/pressable-cache-management.php';
+if ( $wp_filesystem->exists( $pcm_mu_plugin_index ) ) {
+	$wp_filesystem->delete( $pcm_mu_plugin_index );
+}
+
+$pcm_cache_mu_plugins = WP_CONTENT_DIR . '/mu-plugins/pressable-cache-management';
+if ( $wp_filesystem->exists( $pcm_cache_mu_plugins ) ) {
+	rrmdir( $pcm_cache_mu_plugins );
+}
+
+/**
+ * Recursively removes a directory.
+ *
+ * @param string $dir Directory to remove.
+ */
+function rrmdir( $dir ) {
+	global $wp_filesystem;
+	if ( ! $wp_filesystem->is_dir( $dir ) ) {
+		return;
+	}
+	$objects = $wp_filesystem->dirlist( $dir );
+	if ( ! empty( $objects ) ) {
+		foreach ( $objects as $object ) {
+			if ( 'f' === $object['type'] ) {
+				$wp_filesystem->delete( $dir . '/' . $object['name'] );
+			} elseif ( 'd' === $object['type'] ) {
+				rrmdir( $dir . '/' . $object['name'] );
+			}
+		}
+	}
+	$wp_filesystem->rmdir( $dir );
+}
+
+
+// Remove batcache manager plugin from mu-plugins directory.
+$mu_plugins = array( 'pcm-batcache-manager.php' );
+
+// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+foreach ( $mu_plugins as $mu_plugin ) {
+	$file = WP_CONTENT_DIR . '/mu-plugins/' . $mu_plugin;
+	if ( $wp_filesystem->exists( $file ) ) {
+		$wp_filesystem->delete( $file );
+	}
+}