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wp_attachment_is_image( int|WP_Post $post = null )

Determines whether an attachment is an image.

Description

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

Parameters

$post

(int|WP_Post) (Optional) Attachment ID or object. Default is global $post.

Default value: null

Return

(bool) Whether the attachment is an image.

Source

File: wp-includes/post.php 

function wp_attachment_is_image( $post = null ) {
	return wp_attachment_is( 'image', $post );
}

Uses

Uses Description
wp-includes/post.php: wp_attachment_is()

Verifies an attachment is of a given type.

Used By

Used By Description
wp-includes/post.php: wp_get_original_image_path()

Retrieves the path to an uploaded image file.
wp-includes/post.php: wp_get_original_image_url()

Retrieve the URL to an original attachment image.
wp-admin/includes/image.php: wp_get_missing_image_subsizes()

Compare the existing image sub-sizes (as saved in the attachment meta) to the currently registered image sub-sizes, and return the difference.
wp-admin/includes/ajax-actions.php: wp_ajax_media_create_image_subsizes()

Ajax handler for creating missing image sub-sizes for just uploaded images.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::prepare_item_for_response()

Prepares a single attachment output for response.
wp-includes/embed.php: get_oembed_response_data_rich()

Filters the oEmbed response data to return an iframe embed code.
wp-admin/includes/media.php: edit_form_image_editor()

Displays the image and editor in the post editor
wp-admin/includes/media.php: get_media_item()

Retrieve HTML form for modifying the image attachment.
wp-includes/deprecated.php: get_attachment_icon_src()

Retrieve icon URL and Path.
wp-includes/media.php: image_downsize()

Scale an image to fit a particular size (such as ‘thumb’ or ‘medium’).

Changelog

Version Description
4.2.0 Modified into wrapper for wp_attachment_is() and allowed WP_Post object to be passed.
2.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_attachment_is_image