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_wp_add_additional_image_sizes()

_wp_add_additional_image_sizes()

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Adds additional default image sub-sizes.

Description

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.

Source

 * @since 4.2.0
 *
 * @param int|null $post_id The post_id (if any) found by the function.
 * @param string   $url     The URL being looked up.
 */
return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );

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Changelog

VersionDescription
5.3.0Introduced.

User Contributed Notes

  1. Skip to note 2 content
    alordiel
    You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note

    To remove those two image sizes you can use the code below:

    add_action( 'init', 'wpdocs_remove_default_additional_image_sizes' );
function wpdocs_remove_default_additional_image_sizes() {
    remove_image_size( '1536x1536' );
    remove_image_size( '2048x2048' );
}

    Code can be added to functions.php file of the theme.

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