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filter is not described

rest_avatar_sizes filter-hook . WP 4.4.0

Filters the REST avatar sizes.

Use this filter to adjust the array of sizes returned by the rest_get_avatar_sizes function.

Usage

add_filter( 'rest_avatar_sizes', 'filter_function_name_2926' );
function filter_function_name_2926( $sizes ){
	// filter...

	return $sizes;
}
$sizes(array)
An array of int values that are the pixel sizes for avatars.
Default: [ 24, 48, 96 ]

Where the hook is called

rest_get_avatar_sizes()
wp-includes/rest-api.php 1098
return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) );

Where the hook is used (in WP core)

Does not used.