Question

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

Get the URL of an image attachment.

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description

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参数

$attachment_id

(int) (Required) Image attachment ID.

$size

(string|array) (Optional) Image size to retrieve. Accepts any valid image size, 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

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返回值

(string|false) Attachment URL or false if no image is available.

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源代码

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;
}

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更新日志

Version	description
4.4.0	Introduced.

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相关函数

Uses

• wp-includes/media.php: wp_get_attachment_image_src()

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Used By

• wp-includes/post-thumbnail-template.php: get_the_post_thumbnail_url()
• wp-includes/general-template.php: get_site_icon_url()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Rinku Y

   
   add_theme_support( 'post-thumbnails' );
   add_image_size( 'home-slide-img-mobile', 640, 1072, true ); //resize, crop in functions.php
   

   Now let display somewhere:

   
   $imgid = 6; //need to get it dynamically
   $imgurldesktop = wp_get_attachment_image_url( $imgid, '' ); //use default image size
   $imgurlmobile = wp_get_attachment_image_url( $imgid, 'home-slide-img-mobile' ); //use custom set size