wp_get_attachment_image_url( int $attachment_id, string|int[] $size = 'thumbnail', bool $icon = false )

Get the URL of an image attachment.

Parameters

$attachment_id

(int) (Required) Image attachment ID.

$size

(string|int[]) (Optional) Image size. Accepts any registered image size name, or an array of width and height values in pixels (in that order).

Default value: 'thumbnail'

$icon

(bool) (Optional) Whether the image should be treated as an icon.

Default value: false

Return

(string|false) Attachment URL or false if no image is available. If $size does not match any registered image size, the original image URL will be returned.

Source

File: wp-includes/media.php

function wp_get_attachment_image_url( $attachment_id, $size = 'thumbnail', $icon = false ) {
	$image = wp_get_attachment_image_src( $attachment_id, $size, $icon );
	return isset( $image['0'] ) ? $image['0'] : false;
}

Uses

Uses	Description
wp-includes/media.php: wp_get_attachment_image_src()	Retrieves an image to represent an attachment.

Used By

Used By	Description
wp-includes/post-thumbnail-template.php: get_the_post_thumbnail_url()	Return the post thumbnail URL.
wp-includes/general-template.php: get_site_icon_url()	Returns the Site Icon URL.

Changelog

Version	Description
4.4.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_get_attachment_image_url