M wp-ffpc-backend.php → wp-ffpc-backend.php

@@ -221,6 +221,17 @@ /* this will only clear the current blog's entries */
 			$this->taxonomy_links( $to_clear );
 		}
 
+		/* clear pasts index page if settings requires it */
+		if ( $this->options['invalidation_method'] == 3 ) {
+			$posts_page_id = get_option( 'page_for_posts' );
+			$post_type = get_post_type( $post_id );
+
+			if ($post_type === 'post' && $posts_page_id != $post_id) {
+				$this->clear($posts_page_id, $force);
+			}
+		}
+
+
 		/* if there's a post id pushed, it needs to be invalidated in all cases */
 		if ( !empty ( $post_id ) ) {
 

M wp-ffpc-class.php → wp-ffpc-class.php

@@ -140,6 +140,7 @@ $this->select_invalidation_method = array (
 			0 => __( 'flush cache' , $this->plugin_constant ),
 			1 => __( 'only modified post' , $this->plugin_constant ),
 			2 => __( 'modified post and all taxonomies' , $this->plugin_constant ),
+			3 => __( 'modified post and posts index page' , $this->plugin_constant ),
 		);
 
 		/* map of possible key masks */
@@ -483,7 +484,20 @@ <dd>
 					<select name="invalidation_method" id="invalidation_method">
 						<?php $this->print_select_options ( $this->select_invalidation_method , $this->options['invalidation_method'] ) ?>
 					</select>
-					<span class="description"><?php _e('Select cache invalidation method. <ol><li><em>flush cache</em> - clears everything in storage, <strong>including values set by other applications</strong></li><li><em>only modified post</em> - clear only the modified posts entry, everything else remains in cache</li><li><em>modified post and all taxonomies</em> - removes all taxonomy term cache ( categories, tags, home, etc ) and the modified post as well</li></ol>', $this->plugin_constant); ?></span>
+					<div class="description"><?php _e('Select cache invalidation method.', $this->plugin_constant); ?>
+						<ol>
+							<?php
+							$invalidation_method_description = array(
+								'clears everything in storage, <strong>including values set by other applications</strong>',
+								'clear only the modified posts entry, everything else remains in cache',
+								'removes all taxonomy term cache ( categories, tags, home, etc ) and the modified post as well<br><strong>Caution! Slows down page/post saving when there are many tags.</strong>',
+								'clear cache for modified post and posts index page'
+							);
+							foreach ($this->select_invalidation_method AS $current_key => $current_invalidation_method) {
+								printf('<li><em>%1$s</em> - %2$s</li>', $current_invalidation_method, $invalidation_method_description[$current_key]);
+							} ?>
+						</ol>
+					</div>
 				</dd>
 
 				<dt>