delete transients

wpvulnerability-run.php

@@ -106,8 +106,8 @@ function wpvulnerability_expired_database_data() {
 	// Check and update core, plugins, and themes vulnerabilities if cache has expired.
 	$components = array(
 		'core'    => 'wpvulnerability-core-cache',
-		'plugins' => 'wpvulnerability-plugins-cache',
-		'themes'  => 'wpvulnerability-themes-cache',
+		'plugin' => 'wpvulnerability-plugins-cache',
+		'theme'  => 'wpvulnerability-themes-cache',
 	);
 
 	foreach ( $components as $component => $cache_key ) {
@@ -284,19 +284,65 @@ function wpvulnerability_deactivation() {
 		$delete_option_func( $option );
 	}
 
+	wpvulnerability_delete_transients();
+
 	// Unschedule and remove scheduled wp-cron jobs.
 	$cron_jobs = array(
 		'wpvulnerability_notification',
 		'wpvulnerability_update_database',
 		'wpvulnerability_pull_db_data_event',
 	);
-
 	foreach ( $cron_jobs as $job ) {
 		wp_unschedule_event( wp_next_scheduled( $job ), $job );
 		wp_clear_scheduled_hook( $job );
 	}
 }
 
+/**
+ * Deletes all transients that start with 'wpvulnerability_'.
+ *
+ * @since 3.5.0
+ *
+ * @return void
+ */
+function wpvulnerability_delete_transients() {
+    global $wpdb;
+
+    // Determine if the site is multisite.
+    $is_multisite = is_multisite();
+
+    // Define the prefix according to whether it is multisite or not.
+    $transient_prefix = $is_multisite ? '_site_transient_wpvulnerability_' : '_transient_wpvulnerability_';
+
+    // Prepare the LIKE pattern securely.
+    $like_pattern = $wpdb->esc_like($transient_prefix) . '%';
+
+    // Secure query to get all transients starting with the specified prefix.
+    $transients = $wpdb->get_col(
+        $wpdb->prepare(
+            "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE %s",
+            $like_pattern
+        )
+    );
+
+    if (empty($transients)) {
+        // No matching transients found.
+        return;
+    }
+
+    foreach ($transients as $transient) {
+        if ($is_multisite) {
+            // For multisite, delete using delete_site_transient.
+            $transient_name = str_replace('_site_transient_', '', $transient);
+            delete_site_transient($transient_name);
+        } else {
+            // For single sites, delete using delete_transient.
+            $transient_name = str_replace('_transient_', '', $transient);
+            delete_transient($transient_name);
+        }
+    }
+}
+
 /**
  * Callback function to run when the plugin is uninstalled.
  * Deletes options and removes scheduled wp-cron jobs.
@@ -356,12 +402,13 @@ function wpvulnerability_uninstall() {
 	// Delete config data.
 	$delete_option_func( 'wpvulnerability-config' );
 
+	wpvulnerability_delete_transients();
+
 	// Unschedule and remove scheduled wp-cron jobs.
 	$cron_jobs = array(
 		'wpvulnerability_notification',
 		'wpvulnerability_update_database',
 	);
-
 	foreach ( $cron_jobs as $job ) {
 		wp_unschedule_event( wp_next_scheduled( $job ), $job );
 		wp_clear_scheduled_hook( $job );