How to show title on images (general filter) - wp_get_attachment_image

functions.php

<?php
add_filter( 'wp_get_attachment_image_attributes', 'add_title_to_attachment_image', 10, 2 );
function add_title_to_attachment_image( $attr, $attachment ) {
    $attr['title'] = esc_attr( $attachment->post_title );
    return $attr;
}