wp_get_attachment_image_url() WP 1.0

Get the URL of an image attachment.

No Hooks.

Return

String/false. Attachment URL or false if no image is available.

Usage

wp_get_attachment_image_url( $attachment_id, $size, $icon );

$attachment_id(int) (required)

Image attachment ID.

$size(string/array)

Image size to retrieve. Accepts any valid image size, or an array of width and height values in pixels (in that order).
Default: 'thumbnail'

$icon(true/false)

Whether the image should be treated as an icon.
Default: false

Code of wp get attachment image url: wp-includes/media.php ^{WP 5.2.2}

<?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;
}

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