'Nested bold () tags', 'nested_em' => 'Nested italic () tags', 'empty_paragraph' => 'Empty paragraphs', 'duplicate_paragraph' => 'Duplicate consecutive paragraphs', 'multiple_h1' => 'Multiple H1 headings', 'heading_skip' => 'Skipped heading levels', 'duplicate_ids' => 'Duplicate HTML IDs', 'broken_anchor' => 'Broken internal anchors', 'missing_alt' => 'Images missing an alt attribute', 'unsafe_blank_link' => 'New-tab links missing noopener/noreferrer', ) ); } public function label( $key ) { $labels = $this->labels(); return isset( $labels[ $key ] ) ? $labels[ $key ] : $key; } }