检索图标URL和路径。

原型

get_attachment_icon_src( int $id, bool $fullsize = false )

参数

$id (int) (Optional)  帖子ID。

$fullsize (bool) (Optional)  默认为false。是否有完整的图像。

返回值

(array)  图标URL和文件的完整路径。

源文件

路径:wp-includes/deprecated.php

<?php
...
function get_attachment_icon_src( $id = 0, $fullsize = false ) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
	$id = (int) $id;
	if ( !$post = get_post($id) )
		return false;
	$file = get_attached_file( $post->ID );
	if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
		// We have a thumbnail desired, specified and existing
		$src_file = basename($src);
	} elseif ( wp_attachment_is_image( $post->ID ) ) {
		// We have an image without a thumbnail
		$src = wp_get_attachment_url( $post->ID );
		$src_file = & $file;
	} elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
		// No thumb, no image. We'll look for a mime-related icon instead.
		$icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
		$src_file = $icon_dir . '/' . basename($src);
	}
	if ( !isset($src) || !$src )
		return false;
	return array($src, $src_file);
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/get_attachment_icon_src/