diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index 3a2760534..8b349a764 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -12,20 +12,21 @@ require_once('./admin.php');
 $wp_list_table = get_list_table('comments');
 $wp_list_table->check_permissions();
 
-if ( isset( $_REQUEST['doaction'] ) ||  isset( $_REQUEST['doaction2'] ) || isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) {
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
 	check_admin_referer( 'bulk-comments' );
 
-	if ( ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) && !empty( $_REQUEST['pagegen_timestamp'] ) ) {
+	if ( 'delete_all' == $do_action && !empty( $_REQUEST['pagegen_timestamp'] ) ) {
 		$comment_status = $wpdb->escape( $_REQUEST['comment_status'] );
 		$delete_time = $wpdb->escape( $_REQUEST['pagegen_timestamp'] );
 		$comment_ids = $wpdb->get_col( "SELECT comment_ID FROM $wpdb->comments WHERE comment_approved = '$comment_status' AND '$delete_time' > comment_date_gmt" );
 		$doaction = 'delete';
-	} elseif ( ( $_REQUEST['action'] != -1 || $_REQUEST['action2'] != -1 ) && isset( $_REQUEST['delete_comments'] ) ) {
+	} elseif ( isset( $_REQUEST['delete_comments'] ) ) {
 		$comment_ids = $_REQUEST['delete_comments'];
 		$doaction = ( $_REQUEST['action'] != -1 ) ? $_REQUEST['action'] : $_REQUEST['action2'];
-	} elseif ( $_REQUEST['doaction'] == 'undo' && isset( $_REQUEST['ids'] ) ) {
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
 		$comment_ids = array_map( 'absint', explode( ',', $_REQUEST['ids'] ) );
-		$doaction = $_REQUEST['action'];
 	} else {
 		wp_redirect( wp_get_referer() );
 	}
diff --git a/wp-admin/edit-tags.php b/wp-admin/edit-tags.php
index 73ad049b3..e106efd01 100644
--- a/wp-admin/edit-tags.php
+++ b/wp-admin/edit-tags.php
@@ -22,10 +22,7 @@ if ( 'post' != $post_type ) {
 	$submenu_file = "edit-tags.php?taxonomy=$taxonomy";
 }
 
-if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' == $_REQUEST['action'] || 'delete' == $_REQUEST['action2'] ) )
-	$action = 'bulk-delete';
-
-switch ( $action ) {
+switch ( $wp_list_table->current_action() ) {
 
 case 'add-tag':
 
diff --git a/wp-admin/edit.php b/wp-admin/edit.php
index 5d7ef6dc7..215805e7c 100644
--- a/wp-admin/edit.php
+++ b/wp-admin/edit.php
@@ -21,21 +21,25 @@ if ( $_redirect = intval( max( @$_REQUEST['p'], @$_REQUEST['attachment_id'], @$_
 }
 
 // Handle bulk actions
-if ( isset($_REQUEST['doaction']) || isset($_REQUEST['doaction2']) || isset($_REQUEST['delete_all']) || isset($_REQUEST['delete_all2']) || isset($_REQUEST['bulk_edit']) ) {
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
 	check_admin_referer('bulk-posts');
 	$sendback = remove_query_arg( array('trashed', 'untrashed', 'deleted', 'ids'), wp_get_referer() );
 
 	if ( strpos($sendback, 'post.php') !== false )
 		$sendback = admin_url($post_new_file);
 
-	if ( isset($_REQUEST['delete_all']) || isset($_REQUEST['delete_all2']) ) {
-		$post_status = preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['post_status']);
-		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type=%s AND post_status = %s", $post_type, $post_status ) );
+	if ( 'delete_all' == $doaction ) {
+		$post_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type='attachment' AND post_status = 'trash'" );
 		$doaction = 'delete';
-	} elseif ( ( $_REQUEST['action'] != -1 || $_REQUEST['action2'] != -1 ) && ( isset($_REQUEST['post']) || isset($_REQUEST['ids']) ) ) {
-		$post_ids = isset($_REQUEST['post']) ? array_map( 'intval', (array) $_REQUEST['post'] ) : explode(',', $_REQUEST['ids']);
-		$doaction = ($_REQUEST['action'] != -1) ? $_REQUEST['action'] : $_REQUEST['action2'];
-	} else {
+	} elseif ( isset( $_REQUEST['media'] ) ) {
+		$post_ids = $_REQUEST['media'];
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
+		$post_ids = explode( ',', $_REQUEST['ids'] );
+	}
+
+	if ( !isset( $post_ids ) ) {
 		wp_redirect( admin_url("edit.php?post_type=$post_type") );
 	}
 
@@ -97,8 +101,7 @@ if ( isset($_REQUEST['doaction']) || isset($_REQUEST['doaction2']) || isset($_RE
 			break;
 	}
 
-	if ( isset($_REQUEST['action']) )
-		$sendback = remove_query_arg( array('action', 'action2', 'tags_input', 'post_author', 'comment_status', 'ping_status', '_status',  'post', 'bulk_edit', 'post_view'), $sendback );
+	$sendback = remove_query_arg( array('action', 'action2', 'tags_input', 'post_author', 'comment_status', 'ping_status', '_status',  'post', 'bulk_edit', 'post_view'), $sendback );
 
 	wp_redirect($sendback);
 	exit();
diff --git a/wp-admin/includes/default-list-tables.php b/wp-admin/includes/default-list-tables.php
index f377659cf..a31ea13ad 100644
--- a/wp-admin/includes/default-list-tables.php
+++ b/wp-admin/includes/default-list-tables.php
@@ -215,6 +215,13 @@ class WP_Posts_Table extends WP_List_Table {
 		}
 	}
 
+	function current_action() {
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
 	function pagination( $which ) {
 		global $post_type_object, $mode;
 
@@ -1080,6 +1087,19 @@ class WP_Media_Table extends WP_List_Table {
 <?php
 	}
 
+	function current_action() {
+		if ( isset( $_REQUEST['find_detached'] ) )
+			return 'find_detached';
+
+		if ( isset( $_REQUEST['found_post_id'] ) && isset( $_REQUEST['media'] ) )
+			return 'attach';
+
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
 	function has_items() {
 		return have_posts();
 	}
@@ -1482,6 +1502,13 @@ class WP_Terms_Table extends WP_List_Table {
 		return $actions;
 	}
 
+	function current_action() {
+		if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' == $_REQUEST['action'] || 'delete' == $_REQUEST['action2'] ) )
+			return 'bulk-delete';
+
+		return parent::current_action();
+	}
+
 	function get_columns() {
 		global $taxonomy;
 
@@ -1861,6 +1888,13 @@ class WP_Users_Table extends WP_List_Table {
 	</div>
 <?php
 	}
+	
+	function current_action() {
+		if ( isset($_REQUEST['changeit']) && !empty($_REQUEST['new_role']) )
+			return 'promote';
+
+		return parent::current_action();
+	}
 
 	function get_columns() {
 		return array(
@@ -2214,6 +2248,13 @@ class WP_Comments_Table extends WP_List_Table {
 		echo '</div>';
 	}
 
+	function current_action() {
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
 	function get_columns() {
 		global $mode;
 
@@ -3458,6 +3499,13 @@ class WP_Plugins_Table extends WP_List_Table {
 		<?php }
 	}
 
+	function current_action() {
+		if ( isset($_POST['clear-recent-list']) )
+			return 'clear-recent-list';
+
+		return parent::current_action();
+	}
+
 	function display_rows() {
 		global $status, $page;
 
diff --git a/wp-admin/includes/list-table.php b/wp-admin/includes/list-table.php
index 5d4e9e919..69bcd4a08 100644
--- a/wp-admin/includes/list-table.php
+++ b/wp-admin/includes/list-table.php
@@ -246,6 +246,24 @@ class WP_List_Table {
 		echo "<input type='submit' value='" . esc_attr__( 'Apply' ) . "' name='doaction$two' id='doaction$two' class='button-secondary action' />\n";
 	}
 
+	/**
+	 * Get the current action selected from the bulk actions dropdown.
+	 *
+	 * @since 3.1.0
+	 * @access public
+	 *
+	 * @return string|bool The action name or False if no action was selected
+	 */
+	function current_action() {
+		if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] )
+			return $_REQUEST['action'];
+
+		if ( isset( $_REQUEST['action2'] ) && -1 != $_REQUEST['action2'] )
+			return $_REQUEST['action2'];
+		
+		return false;
+	}
+
 	/**
 	 * Generate row actions div
 	 *
diff --git a/wp-admin/link-manager.php b/wp-admin/link-manager.php
index bc118e25e..84ed71f08 100644
--- a/wp-admin/link-manager.php
+++ b/wp-admin/link-manager.php
@@ -13,10 +13,10 @@ $wp_list_table = get_list_table('links');
 $wp_list_table->check_permissions();
 
 // Handle bulk deletes
-if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['linkcheck'] ) ) {
-	check_admin_referer( 'bulk-bookmarks' );
+$doaction = $wp_list_table->current_action();
 
-	$doaction = $_REQUEST['action'] ? $_REQUEST['action'] : $_REQUEST['action2'];
+if ( $doaction && isset( $_REQUEST['linkcheck'] ) ) {
+	check_admin_referer( 'bulk-bookmarks' );
 
 	if ( 'delete' == $doaction ) {
 		$bulklinks = (array) $_REQUEST['linkcheck'];
diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index 095079ca8..bf64b9ae0 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -12,21 +12,14 @@ require_once('./admin.php');
 $wp_list_table = get_list_table('plugins');
 $wp_list_table->check_permissions();
 
-if ( isset($_POST['clear-recent-list']) )
-	$action = 'clear-recent-list';
-elseif ( !empty($_REQUEST['action']) )
-	$action = $_REQUEST['action'];
-elseif ( !empty($_REQUEST['action2']) )
-	$action = $_REQUEST['action2'];
-else
-	$action = false;
+$action = $wp_list_table->current_action();
 
 $plugin = isset($_REQUEST['plugin']) ? $_REQUEST['plugin'] : '';
 
-//Clean up request URI from temporary args for screen options/paging uri's to work as expected.
+// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
 $_SERVER['REQUEST_URI'] = remove_query_arg(array('error', 'deleted', 'activate', 'activate-multi', 'deactivate', 'deactivate-multi', '_error_nonce'), $_SERVER['REQUEST_URI']);
 
-if ( !empty($action) ) {
+if ( $action ) {
 	$network_wide = false;
 	if ( ( isset( $_GET['networkwide'] ) || 'network-activate-selected' == $action ) && is_multisite() && current_user_can( 'manage_network_plugins' ) )
 		$network_wide = true;
diff --git a/wp-admin/upload.php b/wp-admin/upload.php
index 3c1840c7b..4d864eb9a 100644
--- a/wp-admin/upload.php
+++ b/wp-admin/upload.php
@@ -13,73 +13,18 @@ $wp_list_table = get_list_table('media');
 $wp_list_table->check_permissions();
 
 // Handle bulk actions
-if ( isset($_REQUEST['find_detached']) ) {
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
 	check_admin_referer('bulk-media');
 
-	if ( !current_user_can('edit_posts') )
-		wp_die( __('You are not allowed to scan for lost attachments.') );
-
-	$lost = $wpdb->get_col( "
-		SELECT ID FROM $wpdb->posts
-		WHERE post_type = 'attachment' AND post_parent > '0'
-		AND post_parent NOT IN (
-			SELECT ID FROM $wpdb->posts
-			WHERE post_type NOT IN ( 'attachment', '" . join( "', '", get_post_types( array( 'public' => false ) ) ) . "' )
-		)
-	" );
-
-	$_REQUEST['detached'] = 1;
-
-} elseif ( isset( $_REQUEST['found_post_id'] ) && isset( $_REQUEST['media'] ) ) {
-	check_admin_referer( 'bulk-media' );
-
-	$parent_id = (int) $_REQUEST['found_post_id'];
-	if ( !$parent_id )
-		return;
-
-	$parent = &get_post( $parent_id );
-	if ( !current_user_can( 'edit_post', $parent_id ) )
-		wp_die( __( 'You are not allowed to edit this post.' ) );
-
-	$attach = array();
-	foreach ( (array) $_REQUEST['media'] as $att_id ) {
-		$att_id = (int) $att_id;
-
-		if ( !current_user_can( 'edit_post', $att_id ) )
-			continue;
-
-		$attach[] = $att_id;
-		clean_attachment_cache( $att_id );
-	}
-
-	if ( ! empty( $attach ) ) {
-		$attach = implode( ',', $attach );
-		$attached = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $attach )", $parent_id ) );
-	}
-
-	if ( isset( $attached ) ) {
-		$location = 'upload.php';
-		if ( $referer = wp_get_referer() ) {
-			if ( false !== strpos( $referer, 'upload.php' ) )
-				$location = $referer;
-		}
-
-		$location = add_query_arg( array( 'attached' => $attached ) , $location );
-		wp_redirect( $location );
-		exit;
-	}
-
-} elseif ( isset( $_REQUEST['doaction'] ) || isset( $_REQUEST['doaction2'] ) || isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) {
-	check_admin_referer( 'bulk-media' );
-
-	if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) {
+	if ( 'delete_all' == $doaction ) {
 		$post_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type='attachment' AND post_status = 'trash'" );
 		$doaction = 'delete';
-	} elseif ( ( $_REQUEST['action'] != -1 || $_REQUEST['action2'] != -1 ) && ( isset( $_REQUEST['media'] ) || isset( $_REQUEST['ids'] ) ) ) {
-		$post_ids = isset( $_REQUEST['media'] ) ? $_REQUEST['media'] : explode( ',', $_REQUEST['ids'] );
-		$doaction = ( $_REQUEST['action'] != -1 ) ? $_REQUEST['action'] : $_REQUEST['action2'];
-	} else {
-		wp_redirect( $_SERVER['HTTP_REFERER'] );
+	} elseif ( isset( $_REQUEST['media'] ) ) {
+		$post_ids = $_REQUEST['media'];
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
+		$post_ids = explode( ',', $_REQUEST['ids'] );
 	}
 
 	$location = 'upload.php';
@@ -89,6 +34,58 @@ if ( isset($_REQUEST['find_detached']) ) {
 	}
 
 	switch ( $doaction ) {
+		case 'find_detached':
+			if ( !current_user_can('edit_posts') )
+				wp_die( __('You are not allowed to scan for lost attachments.') );
+
+			$lost = $wpdb->get_col( "
+				SELECT ID FROM $wpdb->posts
+				WHERE post_type = 'attachment' AND post_parent > '0'
+				AND post_parent NOT IN (
+					SELECT ID FROM $wpdb->posts
+					WHERE post_type NOT IN ( 'attachment', '" . join( "', '", get_post_types( array( 'public' => false ) ) ) . "' )
+				)
+			" );
+
+			$_REQUEST['detached'] = 1;
+			break;
+		case 'attach':
+			$parent_id = (int) $_REQUEST['found_post_id'];
+			if ( !$parent_id )
+				return;
+
+			$parent = &get_post( $parent_id );
+			if ( !current_user_can( 'edit_post', $parent_id ) )
+				wp_die( __( 'You are not allowed to edit this post.' ) );
+
+			$attach = array();
+			foreach ( (array) $_REQUEST['media'] as $att_id ) {
+				$att_id = (int) $att_id;
+
+				if ( !current_user_can( 'edit_post', $att_id ) )
+					continue;
+
+				$attach[] = $att_id;
+				clean_attachment_cache( $att_id );
+			}
+
+			if ( ! empty( $attach ) ) {
+				$attach = implode( ',', $attach );
+				$attached = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $attach )", $parent_id ) );
+			}
+
+			if ( isset( $attached ) ) {
+				$location = 'upload.php';
+				if ( $referer = wp_get_referer() ) {
+					if ( false !== strpos( $referer, 'upload.php' ) )
+						$location = $referer;
+				}
+
+				$location = add_query_arg( array( 'attached' => $attached ) , $location );
+				wp_redirect( $location );
+				exit;
+			}
+			break;
 		case 'trash':
 			foreach ( (array) $post_ids as $post_id ) {
 				if ( !current_user_can( 'delete_post', $post_id ) )
diff --git a/wp-admin/users.php b/wp-admin/users.php
index 55e6751ce..d1fbc25de 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -29,15 +29,6 @@ add_contextual_help($current_screen,
     '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-$update = $doaction = '';
-if ( isset($_REQUEST['action']) )
-	$doaction = $_REQUEST['action'] ? $_REQUEST['action'] : $_REQUEST['action2'];
-
-if ( "-1" == $doaction ) {
-	if ( isset($_REQUEST['changeit']) && !empty($_REQUEST['new_role']) )
-		$doaction = 'promote';
-}
-
 if ( empty($_REQUEST) ) {
 	$referer = '<input type="hidden" name="wp_http_referer" value="'. esc_attr(stripslashes($_SERVER['REQUEST_URI'])) . '" />';
 } elseif ( isset($_REQUEST['wp_http_referer']) ) {
@@ -48,7 +39,9 @@ if ( empty($_REQUEST) ) {
 	$referer = '';
 }
 
-switch ($doaction) {
+$update = '';
+
+switch ( $wp_list_table->current_action() ) {
 
 /* Bulk Dropdown menu Role changes */
 case 'promote':