Update changelog for version 1.5.0

.github/workflows/assets.yml

@@ -0,0 +1,24 @@
+name: Plugin Asset Update
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '.wordpress-org/**'
+      - 'assets/**'
+
+jobs:
+  assets:
+    name: Push assets to WordPress.org
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        
+      - name: WordPress.org plugin asset/readme update
+        uses: 10up/action-wordpress-plugin-asset-update@stable
+        env:
+          SVN_PASSWORD: ${{ secrets.SVN_PASSWORD }}
+          SVN_USERNAME: ${{ secrets.SVN_USERNAME }}
+          SLUG: fix-plugin-does-not-exist-notices 

.github/workflows/release.yml

@@ -20,19 +20,20 @@ jobs:
         run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
 
       - name: Create build directory
-        run: mkdir -p build/plugin-reference-cleaner
+        run: mkdir -p build/fix-plugin-does-not-exist-notices
 
       - name: Copy plugin files
         run: |
-          cp plugin-reference-cleaner.php build/plugin-reference-cleaner/
-          cp readme.txt build/plugin-reference-cleaner/
-          cp LICENSE build/plugin-reference-cleaner/
-          cp README.md build/plugin-reference-cleaner/
+          cp fix-plugin-does-not-exist-notices.php build/fix-plugin-does-not-exist-notices/
+          cp readme.txt build/fix-plugin-does-not-exist-notices/
+          cp LICENSE build/fix-plugin-does-not-exist-notices/
+          cp README.md build/fix-plugin-does-not-exist-notices/
+          cp -r assets build/fix-plugin-does-not-exist-notices/
 
       - name: Create ZIP file
         run: |
           cd build
-          zip -r ../plugin-reference-cleaner-${{ steps.get_version.outputs.VERSION }}.zip plugin-reference-cleaner
+          zip -r ../fix-plugin-does-not-exist-notices-${{ steps.get_version.outputs.VERSION }}.zip fix-plugin-does-not-exist-notices
 
       - name: Create Release
         id: create_release
@@ -42,11 +43,11 @@ jobs:
           draft: false
           prerelease: false
           files: |
-            plugin-reference-cleaner-${{ steps.get_version.outputs.VERSION }}.zip
+            fix-plugin-does-not-exist-notices-${{ steps.get_version.outputs.VERSION }}.zip
           body: |
-            Plugin Reference Cleaner v${{ steps.get_version.outputs.VERSION }}
+            Fix 'Plugin file does not exist.' Notices v${{ steps.get_version.outputs.VERSION }}
             
-            See [CHANGELOG.md](https://github.com/wpallstars/plugin-reference-cleaner/blob/main/CHANGELOG.md) for details.
+            See [CHANGELOG.md](https://github.com/wpallstars/fix-plugin-does-not-exist-notices/blob/main/CHANGELOG.md) for details.
 
   # Deploy to WordPress.org
   wordpress:
@@ -65,4 +66,4 @@ jobs:
         env:
           SVN_USERNAME: ${{ secrets.SVN_USERNAME }}
           SVN_PASSWORD: ${{ secrets.SVN_PASSWORD }}
-          SLUG: plugin-reference-cleaner 
+          SLUG: fix-plugin-does-not-exist-notices

CHANGELOG.md

@@ -2,6 +2,24 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.5.0] - 2024-05-15
+### Added
+- Improved compatibility with WordPress 6.4
+- Enhanced error detection for plugin references
+
+### Fixed
+- Minor UI improvements for better visibility
+- Accessibility enhancements for screen readers
+
+## [1.4.1] - 2023-11-30
+### Added
+- FAQ about keeping the plugin installed after notices are cleared
+
+## [1.4.0] - 2023-11-30
+### Changed
+- Updated plugin name and text domain
+- Repository rename from plugin-reference-cleaner to fix-plugin-does-not-exist-notices
+
 ## [1.3.3] - 2023-10-05
 ### Added
 - "Click here to scroll" button to automatically find missing plugins

README.md

@@ -1,8 +1,8 @@
-# Plugin Reference Cleaner
+# Fix 'Plugin file does not exist.' Notices
 
-[![WordPress Plugin Version](https://img.shields.io/wordpress/plugin/v/plugin-reference-cleaner)](https://wordpress.org/plugins/plugin-reference-cleaner/)
-[![WordPress Plugin Rating](https://img.shields.io/wordpress/plugin/rating/plugin-reference-cleaner)](https://wordpress.org/plugins/plugin-reference-cleaner/)
-[![WordPress Plugin Downloads](https://img.shields.io/wordpress/plugin/dt/plugin-reference-cleaner)](https://wordpress.org/plugins/plugin-reference-cleaner/)
+[![WordPress Plugin Version](https://img.shields.io/wordpress/plugin/v/fix-plugin-does-not-exist-notices)](https://wordpress.org/plugins/fix-plugin-does-not-exist-notices/)
+[![WordPress Plugin Rating](https://img.shields.io/wordpress/plugin/rating/fix-plugin-does-not-exist-notices)](https://wordpress.org/plugins/fix-plugin-does-not-exist-notices/)
+[![WordPress Plugin Downloads](https://img.shields.io/wordpress/plugin/dt/fix-plugin-does-not-exist-notices)](https://wordpress.org/plugins/fix-plugin-does-not-exist-notices/)
 [![License](https://img.shields.io/badge/license-GPL--2.0%2B-blue.svg)](https://www.gnu.org/licenses/gpl-2.0.html)
 
 Easily remove references to deleted plugins that cause "Plugin file does not exist" errors in your WordPress admin.
@@ -45,7 +45,7 @@ When WordPress detects a plugin file that no longer exists but is still referenc
 ### From WordPress.org:
 
 1. Visit Plugins > Add New in your WordPress admin
-2. Search for "Plugin Reference Cleaner"
+2. Search for "Fix 'Plugin file does not exist.' Notices"
 3. Click "Install Now" and then "Activate"
 
 ### Manual Installation:
@@ -76,6 +76,22 @@ The plugin entry will be removed from your active plugins list, and the correspo
 
 Yes, the plugin works on both single sites and multisite installations. It properly handles network-activated plugins as well.
 
+### How do I know which plugin references should be removed?
+
+The plugin will only show "Remove Reference" links for plugins that are listed in your database but don't actually exist in your plugins directory. These are safe to remove.
+
+### Will this break my site?
+
+No. Since the plugin is only removing references to plugins that no longer exist, removing these references won't affect your site's functionality. In fact, it's cleaning up remnants that might be causing issues.
+
+### What if I accidentally remove a reference I shouldn't have?
+
+If you remove a reference to a plugin that you later want to reinstall, simply install the plugin again and activate it normally.
+
+### Do I need to keep this plugin installed and active after notices are cleared?
+
+Although this plugin consumes minimal disk space, and doesn't run unless you are on the /wp-admin/plugins.php page, you don't need to keep it active or installed if you don't have this notice to clear — but it is safe to, if you just want it as a part of your overall WordPress stack of enhancements and conveniences.
+
 ## Screenshots
 
 1. Error message with explanation notification
@@ -104,6 +120,13 @@ The plugin works by:
 
 ## Changelog
 
+### 1.4.1
+- Added FAQ about keeping the plugin installed after notices are cleared
+
+### 1.4.0
+- Updated plugin name and text domain
+- Repository rename from plugin-reference-cleaner to fix-plugin-does-not-exist-notices
+
 ### 1.3.3
 * Improved notification placement next to WordPress error messages
 * Added "Click here to scroll" button that automatically locates missing plugins

assets/css/admin-styles.css

@@ -0,0 +1,28 @@
+.prc-notice {
+    border-left: 4px solid #ffba00;
+    background-color: #fff8e5;
+    padding: 10px 12px;
+    margin: 5px 0 15px;
+    font-size: 14px;
+    position: relative;
+}
+.prc-notice h3 {
+    margin-top: 0;
+    color: #826200;
+}
+.prc-notice::before {
+    content: "";
+    position: absolute;
+    top: -10px;
+    left: 20px;
+    width: 0;
+    height: 0;
+    border-left: 10px solid transparent;
+    border-right: 10px solid transparent;
+    border-bottom: 10px solid #fff8e5;
+}
+
+/* Style for highlighting the missing plugin row */
+tr.inactive.prc-highlight-missing {
+    background-color: #fff8e5 !important; /* Use !important to override default styles */
+}

assets/js/admin-scripts.js

@@ -0,0 +1,81 @@
+(function() {
+    // Function to inject our notice
+    function injectNotice() {
+        // Find all notification containers first
+        var noticeContainers = document.querySelectorAll('.notice, .error, .updated');
+
+        // Find all error notifications about missing plugins
+        noticeContainers.forEach(function(notice) {
+            if (notice.textContent.includes('Plugin file does not exist') ||
+                notice.textContent.includes('has been deactivated due to an error')) {
+
+                // Check if we already added our notice
+                if (notice.nextElementSibling && notice.nextElementSibling.classList.contains('prc-notice')) {
+                    return;
+                }
+
+                // Create our custom notice
+                var ourNotice = document.createElement('div');
+                ourNotice.className = 'prc-notice';
+
+                // Add content (using localized strings passed via wp_localize_script if needed, but simple for now)
+                ourNotice.innerHTML = '<h3 style="margin-top:0;color:#826200;">👉 Fix Plugin Does Not Exist Notices Can Fix This</h3>' +
+                    '<p>To remove the above error notification, scroll down to find the plugin marked with "<strong style="color:red">(File Missing)</strong>" and click its "<strong>Remove Reference</strong>" link.</p>' +
+                    '<p>This will permanently remove the missing plugin reference from your database.</p>' +
+                    '<p><a href="#" id="prc-scroll-to-plugin" style="font-weight:bold;text-decoration:underline;color:#826200;">Click here to scroll to the missing plugin</a></p>';
+
+                // Insert our notice right after the error
+                notice.parentNode.insertBefore(ourNotice, notice.nextSibling);
+
+                // Add scroll behavior
+                var scrollLink = document.getElementById('prc-scroll-to-plugin');
+                if (scrollLink) {
+                    scrollLink.addEventListener('click', function(e) {
+                        e.preventDefault();
+                        var missingPlugins = document.querySelectorAll('tr.inactive:not(.plugin-update-tr)');
+                        for (var i = 0; i < missingPlugins.length; i++) {
+                            if (missingPlugins[i].textContent.includes('(File Missing)')) {
+                                // Add a class for highlighting instead of direct style manipulation
+                                missingPlugins[i].classList.add('prc-highlight-missing');
+                                missingPlugins[i].scrollIntoView({ behavior: 'smooth', block: 'center' });
+                                // Optional: Remove highlight after a delay
+                                setTimeout(function() {
+                                    missingPlugins[i].classList.remove('prc-highlight-missing');
+                                }, 3000); // Remove highlight after 3 seconds
+                                return;
+                            }
+                        }
+                    });
+                }
+            }
+        });
+    }
+
+    // Try to inject notices on multiple events to ensure it works
+    document.addEventListener('DOMContentLoaded', function() {
+        injectNotice();
+
+        // Also set up a MutationObserver to watch for dynamically added notices
+        var observer = new MutationObserver(function(mutations) {
+            mutations.forEach(function(mutation) {
+                if (mutation.addedNodes && mutation.addedNodes.length > 0) {
+                    // Check if added nodes are notices or contain notices
+                    mutation.addedNodes.forEach(function(node) {
+                        if (node.nodeType === 1 && (node.matches('.notice, .error, .updated') || node.querySelector('.notice, .error, .updated'))) {
+                            injectNotice();
+                        }
+                    });
+                }
+            });
+        });
+
+        // Start observing the body for changes in children
+        observer.observe(document.body, { childList: true, subtree: true });
+    });
+
+    // Backup attempt with window.onload (less reliable than DOMContentLoaded but good fallback)
+    window.addEventListener('load', function() {
+        setTimeout(injectNotice, 500); // Delay slightly to ensure dynamic content is loaded
+    });
+
+})();

build.sh

@@ -10,7 +10,7 @@ if [ -z "$1" ]; then
 fi
 
 VERSION=$1
-PLUGIN_SLUG="plugin-reference-cleaner"
+PLUGIN_SLUG="fix-plugin-does-not-exist-notices"
 BUILD_DIR="build/$PLUGIN_SLUG"
 ZIP_FILE="${PLUGIN_SLUG}-${VERSION}.zip"
 
@@ -20,7 +20,7 @@ mkdir -p $BUILD_DIR
 
 # Copy required files
 echo "Copying plugin files..."
-cp plugin-reference-cleaner.php $BUILD_DIR/
+cp fix-plugin-does-not-exist-notices.php $BUILD_DIR/
 cp readme.txt $BUILD_DIR/
 cp LICENSE $BUILD_DIR/
 cp README.md $BUILD_DIR/

fix-plugin-does-not-exist-notices.php

@@ -0,0 +1,371 @@
+<?php
+/**
+ * Fix 'Plugin file does not exist.' Notices
+ *
+ * @package           FixPluginDoesNotExistNotices
+ * @author            Marcus Quinn
+ * @copyright         2023 WP All Stars
+ * @license           GPL-2.0+
+ *
+ * @wordpress-plugin
+ * Plugin Name: Fix 'Plugin file does not exist.' Notices
+ * Description: Adds missing plugins to the plugins list with a "Remove Reference" link so you can permanently clean up invalid plugin entries and remove error notices.
+ * Version: 1.5.0
+ * Author: Marcus Quinn
+ * Author URI: https://www.wpallstars.com
+ * License: GPL-2.0+
+ * License URI: https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain: fix-plugin-does-not-exist-notices
+ * Domain Path: /languages
+ * Requires at least: 5.0
+ * Requires PHP: 7.0
+ *
+ * This plugin is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * any later version.
+ *
+ * This plugin is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this plugin. If not, see https://www.gnu.org/licenses/gpl-2.0.html.
+ */
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+/**
+ * Main class for the plugin.
+ */
+class Fix_Plugin_Does_Not_Exist_Notices {
+
+	/**
+	 * Constructor. Hooks into WordPress actions and filters.
+	 */
+	public function __construct() {
+		// Add our plugin to the plugins list.
+		add_filter( 'all_plugins', array( $this, 'add_missing_plugins_references' ) );
+
+		// Add our action link to the plugins list.
+		add_filter( 'plugin_action_links', array( $this, 'add_remove_reference_action' ), 20, 4 );
+
+		// Handle the remove reference action.
+		add_action( 'admin_init', array( $this, 'handle_remove_reference' ) );
+
+		// Add admin notices for operation feedback.
+		add_action( 'admin_notices', array( $this, 'admin_notices' ) );
+
+		// Enqueue admin scripts and styles.
+		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_assets' ) );
+	}
+
+	/**
+	 * Enqueue scripts and styles needed for the admin area.
+	 *
+	 * @param string $hook_suffix The current admin page hook.
+	 * @return void
+	 */
+	public function enqueue_admin_assets( $hook_suffix ) {
+		// Only load on the plugins page.
+		if ( 'plugins.php' !== $hook_suffix ) {
+			return;
+		}
+
+		// Get invalid plugins to decide if assets are needed.
+		$invalid_plugins = $this->get_invalid_plugins();
+		if ( empty( $invalid_plugins ) ) {
+			return; // No missing plugins, no need for the special notice JS/CSS.
+		}
+
+		$plugin_url = plugin_dir_url( __FILE__ );
+
+		wp_enqueue_style(
+			'fpden-admin-styles',
+			$plugin_url . 'assets/css/admin-styles.css',
+			array(),
+			filemtime( plugin_dir_path( __FILE__ ) . 'assets/css/admin-styles.css' ) // Versioning based on file modification time.
+		);
+
+		wp_enqueue_script(
+			'fpden-admin-scripts',
+			$plugin_url . 'assets/js/admin-scripts.js',
+			array( 'jquery' ), // Add dependencies if needed, e.g., jQuery.
+			filemtime( plugin_dir_path( __FILE__ ) . 'assets/js/admin-scripts.js' ), // Versioning.
+			true // Load in footer.
+		);
+
+		// Optional: Pass localized data to script if needed.
+		// wp_localize_script('fpden-admin-scripts', 'fpdenData', array(
+		//  'ajax_url' => admin_url('admin-ajax.php'),
+		//  'nonce'    => wp_create_nonce('fpden_ajax_nonce'),
+		// ));
+	}
+
+	/**
+	 * Find and add invalid plugin references to the plugins list.
+	 *
+	 * Filters the list of plugins displayed on the plugins page to include
+	 * entries for active plugins whose files are missing.
+	 *
+	 * @param array $plugins An array of plugin data.
+	 * @return array The potentially modified array of plugin data.
+	 */
+	public function add_missing_plugins_references( $plugins ) {
+		// Only run on the plugins page.
+		if ( ! $this->is_plugins_page() ) {
+			return $plugins;
+		}
+
+		// Get active plugins that don't exist.
+		$invalid_plugins = $this->get_invalid_plugins();
+
+		// Add each invalid plugin to the plugin list.
+		foreach ( $invalid_plugins as $plugin_path ) {
+			if ( ! isset( $plugins[ $plugin_path ] ) ) {
+				$plugin_name          = basename( $plugin_path );
+				$plugins[ $plugin_path ] = array(
+					'Name'        => $plugin_name . ' <span class="error">(File Missing)</span>',
+					/* translators: %s: Path to wp-content/plugins */
+					'Description' => sprintf(
+						__( 'This plugin is still marked as "Active" in your database — but its folder and files can\'t be found in %s. Click "Remove Reference" to permanently remove it from your active plugins list and eliminate the error notice.', 'fix-plugin-does-not-exist-notices' ),
+						'<code>/wp-content/plugins/</code>'
+					),
+					'Version'     => __( 'N/A', 'fix-plugin-does-not-exist-notices' ),
+					'Author'      => '',
+					'PluginURI'   => '',
+					'AuthorURI'   => '',
+					'Title'       => $plugin_name . ' (' . __( 'Missing', 'fix-plugin-does-not-exist-notices' ) . ')',
+					'AuthorName'  => '',
+				);
+			}
+		}
+
+		return $plugins;
+	}
+
+	/**
+	 * Add the Remove Reference action link to invalid plugins.
+	 *
+	 * Filters the action links displayed for each plugin on the plugins page.
+	 * Adds a "Remove Reference" link for plugins identified as missing.
+	 *
+	 * @param array  $actions     An array of plugin action links.
+	 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+	 * @param array  $plugin_data An array of plugin data.
+	 * @param string $context     The plugin context (e.g., 'all', 'active', 'inactive').
+	 * @return array The potentially modified array of plugin action links.
+	 */
+	public function add_remove_reference_action( $actions, $plugin_file, $plugin_data, $context ) {
+		// Only run on the plugins page.
+		if ( ! $this->is_plugins_page() ) {
+			return $actions;
+		}
+
+		// Check if this is a missing plugin identified by our previous filter.
+		if ( isset( $plugin_data['Name'] ) && strpos( $plugin_data['Name'], '<span class="error">(File Missing)</span>' ) !== false ) {
+			// Clear existing actions like "Activate", "Deactivate", "Edit".
+			$actions = array();
+
+			// Add our custom action.
+			$nonce      = wp_create_nonce( 'remove_plugin_reference_' . $plugin_file );
+			$remove_url = admin_url( 'plugins.php?action=remove_reference&plugin=' . urlencode( $plugin_file ) . '&_wpnonce=' . $nonce );
+			/* translators: %s: Plugin file path */
+			$aria_label                 = sprintf( __( 'Remove reference to missing plugin %s', 'fix-plugin-does-not-exist-notices' ), esc_attr( $plugin_file ) );
+			$actions['remove_reference'] = '<a href="' . esc_url( $remove_url ) . '" class="delete" aria-label="' . $aria_label . '">' . esc_html__( 'Remove Reference', 'fix-plugin-does-not-exist-notices' ) . '</a>';
+		}
+
+		return $actions;
+	}
+
+	/**
+	 * Handle the remove reference action triggered by the link.
+	 *
+	 * Checks for the correct action, verifies nonce and permissions,
+	 * calls the removal function, and redirects back to the plugins page.
+	 *
+	 * @return void
+	 */
+	public function handle_remove_reference() {
+		// Check if our specific action is being performed.
+		if ( ! isset( $_GET['action'] ) || 'remove_reference' !== $_GET['action'] || ! isset( $_GET['plugin'] ) ) {
+			return;
+		}
+
+		// Verify user permissions.
+		if ( ! current_user_can( 'activate_plugins' ) ) {
+			wp_die( esc_html__( 'You do not have sufficient permissions to perform this action.', 'fix-plugin-does-not-exist-notices' ) );
+		}
+
+		// Sanitize and get the plugin file path.
+		$plugin_file = isset( $_GET['plugin'] ) ? sanitize_text_field( wp_unslash( $_GET['plugin'] ) ) : '';
+		if ( empty( $plugin_file ) ) {
+			wp_die( esc_html__( 'Invalid plugin specified.', 'fix-plugin-does-not-exist-notices' ) );
+		}
+
+		// Verify nonce for security.
+		check_admin_referer( 'remove_plugin_reference_' . $plugin_file );
+
+		// Attempt to remove the plugin reference.
+		$success = $this->remove_plugin_reference( $plugin_file );
+
+		// Prepare redirect URL with feedback query args.
+		$redirect_url = admin_url( 'plugins.php' );
+		$redirect_url = add_query_arg( $success ? 'reference_removed' : 'reference_removal_failed', '1', $redirect_url );
+
+		// Redirect and exit.
+		wp_safe_redirect( $redirect_url );
+		exit;
+	}
+
+	/**
+	 * Remove a plugin reference from the active plugins list in the database.
+	 *
+	 * Handles both single site and multisite network activated plugins.
+	 *
+	 * @param string $plugin_file The plugin file path to remove.
+	 * @return bool True on success, false on failure or if the plugin wasn't found.
+	 */
+	public function remove_plugin_reference( $plugin_file ) {
+		$success = false;
+
+		// Ensure plugin file path is provided.
+		if ( empty( $plugin_file ) ) {
+			return false;
+		}
+
+		// Handle multisite network admin context.
+		if ( is_multisite() && is_network_admin() ) {
+			$active_plugins = get_site_option( 'active_sitewide_plugins', array() );
+			// Network active plugins are stored as key => timestamp.
+			if ( isset( $active_plugins[ $plugin_file ] ) ) {
+				unset( $active_plugins[ $plugin_file ] );
+				$success = update_site_option( 'active_sitewide_plugins', $active_plugins );
+			}
+		} else { // Handle single site or non-network admin context.
+			$active_plugins = get_option( 'active_plugins', array() );
+			// Single site active plugins are stored as an indexed array.
+			$key = array_search( $plugin_file, $active_plugins, true ); // Use strict comparison.
+			if ( false !== $key ) {
+				unset( $active_plugins[ $key ] );
+				// Re-index the array numerically.
+				$active_plugins = array_values( $active_plugins );
+				$success        = update_option( 'active_plugins', $active_plugins );
+			}
+		}
+
+		return $success;
+	}
+
+	/**
+	 * Display admin notices on the plugins page.
+	 *
+	 * Shows informational notices about missing plugins and feedback
+	 * messages after attempting to remove a reference.
+	 *
+	 * @return void
+	 */
+	public function admin_notices() {
+		// Only run on the plugins page.
+		if ( ! $this->is_plugins_page() ) {
+			return;
+		}
+
+		// Check for feedback messages from the remove action.
+		if ( isset( $_GET['reference_removed'] ) && '1' === $_GET['reference_removed'] ) {
+			?>
+			<div class="notice notice-success is-dismissible">
+				<p><?php esc_html_e( 'Plugin reference removed successfully.', 'fix-plugin-does-not-exist-notices' ); ?></p>
+			</div>
+			<?php
+		}
+
+		if ( isset( $_GET['reference_removal_failed'] ) && '1' === $_GET['reference_removal_failed'] ) {
+			?>
+			<div class="notice notice-error is-dismissible">
+				<p><?php esc_html_e( 'Failed to remove plugin reference. The plugin may already have been removed, or there was a database issue.', 'fix-plugin-does-not-exist-notices' ); ?></p>
+			</div>
+			<?php
+		}
+
+		// Get invalid plugins to display the main informational notice.
+		// Note: We don't need to call get_invalid_plugins() again if enqueue_admin_assets already did,
+		// but calling it here ensures the notice shows even if assets weren't enqueued (e.g., JS disabled).
+		// Consider caching the result in a class property if performance is critical.
+		$invalid_plugins = $this->get_invalid_plugins();
+
+		// Display the main informational notice if there are missing plugins.
+		if ( ! empty( $invalid_plugins ) ) {
+			?>
+			<div class="notice notice-info is-dismissible">
+				<h3><?php esc_html_e( 'Fix Plugin Does Not Exist Notices', 'fix-plugin-does-not-exist-notices' ); ?></h3>
+				<p>
+					<strong><?php esc_html_e( 'Missing plugin files detected:', 'fix-plugin-does-not-exist-notices' ); ?></strong>
+					<?php esc_html_e( 'The plugins listed below with a', 'fix-plugin-does-not-exist-notices' ); ?>
+					<span style="color:red;">(<?php esc_html_e( 'File Missing', 'fix-plugin-does-not-exist-notices' ); ?>)</span>
+					<?php esc_html_e( 'tag no longer exist but are still referenced in your database.', 'fix-plugin-does-not-exist-notices' ); ?>
+				</p>
+				<p>
+					<strong><?php esc_html_e( 'How to fix:', 'fix-plugin-does-not-exist-notices' ); ?></strong>
+					<?php esc_html_e( 'Click the "Remove Reference" link next to each missing plugin to safely remove it from your active plugins list.', 'fix-plugin-does-not-exist-notices' ); ?>
+				</p>
+				<p><?php esc_html_e( 'This will clean up your database and remove the error notifications.', 'fix-plugin-does-not-exist-notices' ); ?></p>
+			</div>
+			<?php
+			// The JavaScript enqueued by enqueue_admin_assets() will handle adding the contextual notice
+			// near the actual WordPress error message.
+		}
+	}
+
+	/**
+	 * Check if the current admin page is the plugins page.
+	 *
+	 * @global string $pagenow WordPress global variable for the current admin page filename.
+	 * @return bool True if the current page is plugins.php, false otherwise.
+	 */
+	private function is_plugins_page() {
+		global $pagenow;
+		// Check if it's an admin page and the filename is plugins.php.
+		return is_admin() && isset( $pagenow ) && 'plugins.php' === $pagenow;
+	}
+
+	/**
+	 * Get a list of active plugin file paths that do not exist on the filesystem.
+	 *
+	 * Checks both single site and network active plugins based on the context.
+	 *
+	 * @return array An array of plugin file paths (relative to WP_PLUGIN_DIR) that are missing.
+	 */
+	private function get_invalid_plugins() {
+		$invalid_plugins = array();
+		$active_plugins  = array();
+
+		// Determine which option to check based on context (Network Admin or single site).
+		if ( is_multisite() && is_network_admin() ) {
+			// Network active plugins are stored as keys in an associative array.
+			$active_plugins = array_keys( get_site_option( 'active_sitewide_plugins', array() ) );
+		} else {
+			// Single site active plugins are stored in a numerically indexed array.
+			$active_plugins = get_option( 'active_plugins', array() );
+		}
+
+		// Check if the file exists for each active plugin.
+		foreach ( $active_plugins as $plugin_file ) {
+			// Construct the full path to the main plugin file.
+			$plugin_path = WP_PLUGIN_DIR . '/' . $plugin_file;
+			// Use validate_file to prevent directory traversal issues, although less likely here.
+			if ( validate_file( $plugin_file ) === 0 && ! file_exists( $plugin_path ) ) {
+				$invalid_plugins[] = $plugin_file;
+			}
+		}
+
+		return $invalid_plugins;
+	}
+} // End class Fix_Plugin_Does_Not_Exist_Notices
+
+// Initialize the plugin class.
+new Fix_Plugin_Does_Not_Exist_Notices();

plugin-reference-cleaner.php

@@ -1,343 +0,0 @@
-<?php
-/**
- * Plugin Reference Cleaner
- *
- * @package           PluginReferenceCleaner
- * @author            Marcus Quinn
- * @copyright         2023 WP All Stars
- * @license           GPL-2.0+
- *
- * @wordpress-plugin
- * Plugin Name: Plugin Reference Cleaner
- * Description: Adds a "Remove Reference" button to plugin deactivation error notices, allowing users to clean up invalid plugin entries.
- * Version: 1.3.3
- * Author: Marcus Quinn
- * Author URI: https://www.wpallstars.com
- * License: GPL-2.0+
- * License URI: https://www.gnu.org/licenses/gpl-2.0.html
- * Text Domain: plugin-reference-cleaner
- * Domain Path: /languages
- * Requires at least: 5.0
- * Requires PHP: 7.0
- *
- * This plugin is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * any later version.
- *
- * This plugin is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this plugin. If not, see https://www.gnu.org/licenses/gpl-2.0.html.
- */
-
-// Exit if accessed directly
-if (!defined('ABSPATH')) {
-    exit;
-}
-
-class Plugin_Reference_Cleaner {
-    public function __construct() {
-        // Add our plugin to the plugins list
-        add_filter('all_plugins', array($this, 'add_missing_plugins_references'));
-        
-        // Add our action link to the plugins list
-        add_filter('plugin_action_links', array($this, 'add_remove_reference_action'), 20, 4);
-        
-        // Handle the remove reference action
-        add_action('admin_init', array($this, 'handle_remove_reference'));
-        
-        // Add admin notices for operation feedback
-        add_action('admin_notices', array($this, 'admin_notices'));
-    }
-    
-    /**
-     * Find and add invalid plugin references to the plugins list
-     */
-    public function add_missing_plugins_references($plugins) {
-        // Only run on the plugins page
-        if (!$this->is_plugins_page()) {
-            return $plugins;
-        }
-
-        // Get active plugins that don't exist
-        $invalid_plugins = $this->get_invalid_plugins();
-        
-        // Add each invalid plugin to the plugin list
-        foreach ($invalid_plugins as $plugin_path) {
-            if (!isset($plugins[$plugin_path])) {
-                $plugin_name = basename($plugin_path);
-                $plugins[$plugin_path] = array(
-                    'Name' => $plugin_name . ' <span class="error">(File Missing)</span>',
-                    'Description' => 'This plugin file does not exist. You can safely remove this reference.',
-                    'Version' => 'N/A',
-                    'Author' => '',
-                    'PluginURI' => '',
-                    'AuthorURI' => '',
-                    'Title' => $plugin_name . ' (Missing)',
-                    'AuthorName' => ''
-                );
-            }
-        }
-        
-        return $plugins;
-    }
-    
-    /**
-     * Add the Remove Reference action link to invalid plugins
-     */
-    public function add_remove_reference_action($actions, $plugin_file, $plugin_data, $context) {
-        // Only run on the plugins page
-        if (!$this->is_plugins_page()) {
-            return $actions;
-        }
-        
-        // Check if this is a missing plugin
-        if (isset($plugin_data['Name']) && strpos($plugin_data['Name'], '<span class="error">(File Missing)</span>') !== false) {
-            // Clear existing actions
-            $actions = array();
-            
-            // Add our action
-            $nonce = wp_create_nonce('remove_plugin_reference_' . $plugin_file);
-            $remove_url = admin_url('plugins.php?action=remove_reference&plugin=' . urlencode($plugin_file) . '&_wpnonce=' . $nonce);
-            $actions['remove_reference'] = '<a href="' . esc_url($remove_url) . '" class="delete" aria-label="' . esc_attr__('Remove Reference', 'plugin-reference-cleaner') . '">Remove Reference</a>';
-        }
-        
-        return $actions;
-    }
-    
-    /**
-     * Handle the remove reference action
-     */
-    public function handle_remove_reference() {
-        // Check if we're removing a reference
-        if (!isset($_GET['action']) || $_GET['action'] !== 'remove_reference' || !isset($_GET['plugin'])) {
-            return;
-        }
-        
-        // Verify permissions
-        if (!current_user_can('activate_plugins')) {
-            wp_die(__('You do not have sufficient permissions to perform this action.', 'plugin-reference-cleaner'));
-        }
-        
-        // Get the plugin file
-        $plugin_file = isset($_GET['plugin']) ? $_GET['plugin'] : '';
-        
-        // Verify nonce
-        check_admin_referer('remove_plugin_reference_' . $plugin_file);
-        
-        // Remove the plugin reference
-        $success = $this->remove_plugin_reference($plugin_file);
-        
-        // Redirect back to plugins page with a message
-        $redirect = admin_url('plugins.php');
-        $redirect = add_query_arg($success ? 'reference_removed' : 'reference_removal_failed', '1', $redirect);
-        wp_redirect($redirect);
-        exit;
-    }
-    
-    /**
-     * Remove a plugin reference from the active plugins
-     */
-    public function remove_plugin_reference($plugin_file) {
-        $success = false;
-        
-        // Handle multisite network admin
-        if (is_multisite() && is_network_admin()) {
-            $active_plugins = get_site_option('active_sitewide_plugins', array());
-            if (isset($active_plugins[$plugin_file])) {
-                unset($active_plugins[$plugin_file]);
-                $success = update_site_option('active_sitewide_plugins', $active_plugins);
-            }
-        } 
-        // Handle single site or multisite subsite
-        else {
-            $active_plugins = get_option('active_plugins', array());
-            $key = array_search($plugin_file, $active_plugins);
-            if ($key !== false) {
-                unset($active_plugins[$key]);
-                $active_plugins = array_values($active_plugins); // Re-index array
-                $success = update_option('active_plugins', $active_plugins);
-            }
-        }
-        
-        return $success;
-    }
-    
-    /**
-     * Display admin notices
-     */
-    public function admin_notices() {
-        // Only run on the plugins page
-        if (!$this->is_plugins_page()) {
-            return;
-        }
-        
-        // Get invalid plugins
-        $invalid_plugins = $this->get_invalid_plugins();
-        
-        // Create a highlighted notice immediately after WordPress error messages
-        if (!empty($invalid_plugins)) {
-            // Add a notice specifically targeting the WordPress error notification
-            // Use admin_head to ensure it runs early in the page load process
-            add_action('admin_head', function() use ($invalid_plugins) {
-                ?>
-                <style type="text/css">
-                    .prc-notice {
-                        border-left: 4px solid #ffba00;
-                        background-color: #fff8e5;
-                        padding: 10px 12px;
-                        margin: 5px 0 15px;
-                        font-size: 14px;
-                        position: relative;
-                    }
-                    .prc-notice h3 {
-                        margin-top: 0;
-                        color: #826200;
-                    }
-                    .prc-notice::before {
-                        content: "";
-                        position: absolute;
-                        top: -10px;
-                        left: 20px;
-                        width: 0; 
-                        height: 0; 
-                        border-left: 10px solid transparent;
-                        border-right: 10px solid transparent;
-                        border-bottom: 10px solid #fff8e5;
-                    }
-                </style>
-                <script type="text/javascript">
-                    // Function to inject our notice
-                    function injectNotice() {
-                        // Find all notification containers first
-                        var noticeContainers = document.querySelectorAll('.notice, .error, .updated');
-                        
-                        // Find all error notifications about missing plugins
-                        noticeContainers.forEach(function(notice) {
-                            if (notice.textContent.includes('Plugin file does not exist') || 
-                                notice.textContent.includes('has been deactivated due to an error')) {
-                                
-                                // Check if we already added our notice
-                                if (notice.nextElementSibling && notice.nextElementSibling.classList.contains('prc-notice')) {
-                                    return;
-                                }
-                                
-                                // Create our custom notice
-                                var ourNotice = document.createElement('div');
-                                ourNotice.className = 'prc-notice';
-                                
-                                // Add content
-                                ourNotice.innerHTML = '<h3 style="margin-top:0;color:#826200;">👉 Plugin Reference Cleaner Can Fix This</h3>' +
-                                    '<p>To remove the above error notification, scroll down to find the plugin marked with "<strong style="color:red">(File Missing)</strong>" and click its "<strong>Remove Reference</strong>" link.</p>' +
-                                    '<p>This will permanently remove the missing plugin reference from your database.</p>' +
-                                    '<p><a href="#" id="prc-scroll-to-plugin" style="font-weight:bold;text-decoration:underline;color:#826200;">Click here to scroll to the missing plugin</a></p>';
-                                
-                                // Insert our notice right after the error
-                                notice.parentNode.insertBefore(ourNotice, notice.nextSibling);
-                                
-                                // Add scroll behavior
-                                var scrollLink = document.getElementById('prc-scroll-to-plugin');
-                                if (scrollLink) {
-                                    scrollLink.addEventListener('click', function(e) {
-                                        e.preventDefault();
-                                        var missingPlugins = document.querySelectorAll('tr.inactive:not(.plugin-update-tr)');
-                                        for (var i = 0; i < missingPlugins.length; i++) {
-                                            if (missingPlugins[i].textContent.includes('(File Missing)')) {
-                                                missingPlugins[i].style.backgroundColor = '#fff8e5';
-                                                missingPlugins[i].scrollIntoView({behavior: 'smooth', block: 'center'});
-                                                return;
-                                            }
-                                        }
-                                    });
-                                }
-                            }
-                        });
-                    }
-                    
-                    // Try to inject notices on multiple events to ensure it works
-                    document.addEventListener('DOMContentLoaded', function() {
-                        injectNotice();
-                        
-                        // Also set up a MutationObserver to watch for dynamically added notices
-                        var observer = new MutationObserver(function(mutations) {
-                            mutations.forEach(function(mutation) {
-                                if (mutation.addedNodes && mutation.addedNodes.length > 0) {
-                                    injectNotice();
-                                }
-                            });
-                        });
-                        
-                        // Start observing the body for changes
-                        observer.observe(document.body, { childList: true, subtree: true });
-                    });
-                    
-                    // Backup attempt with window.onload
-                    window.onload = function() {
-                        setTimeout(injectNotice, 500);
-                    };
-                    
-                    // Final backup in case other methods fail
-                    setTimeout(injectNotice, 1000);
-                </script>
-                <?php
-            });
-            
-            // Also display our standard info notice with more details
-            echo '<div class="notice notice-info is-dismissible">';
-            echo '<h3>Plugin Reference Cleaner</h3>';
-            echo '<p><strong>Missing plugin files detected:</strong> The plugins listed below with <span style="color:red;">(File Missing)</span> tag no longer exist but are still referenced in your database.</p>';
-            echo '<p><strong>How to fix:</strong> Click the "Remove Reference" link next to each missing plugin to safely remove it from your active plugins list.</p>';
-            echo '<p>This will clean up your database and remove the error notifications.</p>';
-            echo '</div>';
-        }
-        
-        // Show success message
-        if (isset($_GET['reference_removed']) && $_GET['reference_removed'] === '1') {
-            echo '<div class="notice notice-success is-dismissible"><p>Plugin reference removed successfully.</p></div>';
-        }
-        
-        // Show error message
-        if (isset($_GET['reference_removal_failed']) && $_GET['reference_removal_failed'] === '1') {
-            echo '<div class="notice notice-error is-dismissible"><p>Failed to remove plugin reference. The plugin may already have been removed.</p></div>';
-        }
-    }
-    
-    /**
-     * Check if we're on the plugins page
-     */
-    private function is_plugins_page() {
-        global $pagenow;
-        return is_admin() && $pagenow === 'plugins.php';
-    }
-    
-    /**
-     * Get a list of invalid plugin references
-     */
-    private function get_invalid_plugins() {
-        $invalid_plugins = array();
-        
-        // Get all active plugins
-        if (is_multisite() && is_network_admin()) {
-            $active_plugins = array_keys(get_site_option('active_sitewide_plugins', array()));
-        } else {
-            $active_plugins = get_option('active_plugins', array());
-        }
-        
-        // Check if each plugin exists
-        foreach ($active_plugins as $plugin) {
-            $plugin_path = WP_PLUGIN_DIR . '/' . $plugin;
-            if (!file_exists($plugin_path)) {
-                $invalid_plugins[] = $plugin;
-            }
-        }
-        
-        return $invalid_plugins;
-    }
-}
-
-// Initialize the plugin
-new Plugin_Reference_Cleaner();

readme.txt

@@ -1,11 +1,11 @@
-=== Plugin Reference Cleaner ===
+=== Fix 'Plugin file does not exist.' Notices ===
 Contributors: marcusquinn
 Donate link: https://www.wpallstars.com
-Tags: plugins, missing plugins, cleanup, error fix, admin tools
+Tags: plugins, missing plugins, cleanup, error fix, admin tools, plugin file does not exist
 Requires at least: 5.0
 Tested up to: 6.4
 Requires PHP: 7.0
-Stable tag: 1.3.3
+Stable tag: 1.5.0
 License: GPL-2.0+
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -46,7 +46,7 @@ When WordPress detects a plugin file that no longer exists but is still referenc
 
 == Installation ==
 
-1. Upload the `plugin-reference-cleaner` folder to the `/wp-content/plugins/` directory
+1. Upload the `fix-plugin-does-not-exist-notices` folder to the `/wp-content/plugins/` directory
 2. Activate the plugin through the 'Plugins' menu in WordPress
 3. No configuration needed - the plugin works automatically
 4. If you have missing plugin errors, you'll immediately see them in your plugins list with "Remove Reference" links
@@ -77,6 +77,10 @@ No. Since the plugin is only removing references to plugins that no longer exist
 
 If you remove a reference to a plugin that you later want to reinstall, simply install the plugin again and activate it normally.
 
+= Do I need to keep this plugin installed and active after notices are cleared? =
+
+Although this plugin consumes minimal disk space, and doesn't run unless you are on the /wp-admin/plugins.php page, you don't need to keep it active or installed if you don't have this notice to clear — but it is safe to, if you just want it as a part of your overall WordPress stack of enhancements and conveniences.
+
 == Screenshots ==
 
 1. Error message with explanation notification
@@ -85,6 +89,19 @@ If you remove a reference to a plugin that you later want to reinstall, simply i
 
 == Changelog ==
 
+= 1.5.0 =
+* Improved compatibility with WordPress 6.4
+* Enhanced error detection for plugin references
+* Minor UI improvements for better visibility
+* Accessibility enhancements for screen readers
+
+= 1.4.1 =
+* Added FAQ about keeping the plugin installed after notices are cleared
+
+= 1.4.0 =
+* Updated plugin name and text domain
+* Repository rename from plugin-reference-cleaner to fix-plugin-does-not-exist-notices
+
 = 1.3.3 =
 * Improved notification placement next to WordPress error messages
 * Added "Click here to scroll" button that automatically locates missing plugins
@@ -144,6 +161,9 @@ If you remove a reference to a plugin that you later want to reinstall, simply i
 
 == Upgrade Notice ==
 
+= 1.5.0 =
+Improved compatibility with WordPress 6.4 and accessibility enhancements for screen readers!
+
 = 1.3.3 =
 Major usability improvement with auto-scroll feature to help find missing plugins in your list!