Ticket #25408: 25408-22.diff

src/wp-admin/includes/class-wp-list-table.php

@@ -859 +859 @@
                 $column  = apply_filters( 'list_table_primary_column', $default, $this->screen->id );
 
                 if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
-                        $column = $default;
+
+                        // Grab the first non-checkbox column
+                        foreach( $columns as $col => $column_name ) {
+
+                                if( 'cb' === $col ) {
+                                        continue;
+                                }
+
+                                $column = $col;
+                                break;
+
+                        }
+
                 }
 
                 return $column;
@@ -878 +890 @@
                 if ( isset( $this->_column_headers ) && is_array( $this->_column_headers ) ) {
                         // Back-compat for list tables that have been manually setting $_column_headers for horse reasons.
                         // In 4.3, we added a fourth argument for primary column.
-                        $column_headers = array( array(), array(), array(), '' );
+                        $column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
                         foreach ( $this->_column_headers as $key => $value ) {
                                 $column_headers[ $key ] = $value;
                         }