How to add title attribute to WordPress uploader?

Question

PHP

By default, the WP uploader will allow you to add "a href", "alt" and "rel" to the photo. how to add title attribute padding to the right panel?
and the second question - how to change the dimensions of the image specified in the loader? 150x150, etc.

Answer 1

2.

add_image_size( 'slider', 105, 105, true ); // the_post_thumbnail( 'slider' );

add_filter( 'image_size_names_choose', 'image_sizes' );
function image_sizes( $sizes ) {
  $addsizes = array(
    'slider' => 'Слайдер'
  );
  $newsizes = array_merge( $sizes, $addsizes );
  return $newsizes;
}