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_wp_add_additional_image_sizes › WordPress Function

Since5.3.0
Deprecatedn/a
› _wp_add_additional_image_sizes ( No parameters )
Access:
  • private
Defined at:
Codex:

Adds additional default image sub-sizes.

These sizes are meant to enhance the way WordPress displays images on the front-end on larger, high-density devices. They make it possible to generate more suitable srcset and sizes attributes when the users upload large images. The sizes can be changed or removed by themes and plugins but that is not recommended. The size "names" reflect the image dimensions, so changing the sizes would be quite misleading.


Related Functions: wp_get_additional_image_sizes, wp_update_image_subsizes, wp_get_attachment_image_sizes, add_image_size, wp_create_image_subsizes

Source 

function _wp_add_additional_image_sizes() {
	// 2x medium_large size.
	add_image_size( '1536x1536', 1536, 1536 );
	// 2x large size.
	add_image_size( '2048x2048', 2048, 2048 );
}