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Include the first image thumbnail of the "attached images" in the RSS feed (1 post)

  1. supergab
    Posted 3 years ago #


    I use the following function to get the first image thumbnail of all the "attached images" of a post. I use it in my loop instead of the get_the_post_thumbnail so I don't have to manually set the thumbnail when creating the post :

    function my_attachment_image_thumb($postid=0, $size='thumbnail', $attributes='') {
    	if ($postid<1) $postid = get_the_ID();
    	if ($images = get_children(array(
    		'post_parent' => $postid,
    		'post_type' => 'attachment',
    		'numberposts' => 1,
    		'orderby' => 'menu_order',
    		'post_mime_type' => 'image',)))
    		foreach($images as $image) {
    			$attachmenthumb=wp_get_attachment_image_src($image->ID, $size);
    			?><img src="<?php echo $attachmenthumb[0]; ?>" /><?php

    And I know that the following function puts a thumbnail in the RSS feed, but it uses get_the_post_thumbnail, which I don't use and returns "empty" :

    function insertThumbnailRSS($content) {
    global $post;
    if ( has_post_thumbnail( $post->ID ) ){
    $content = '' . get_the_post_thumbnail( $post->ID, 'thumbnail' ) . '' . $content;
    return $content;
    add_filter('the_excerpt_rss', 'insertThumbnailRSS');
    add_filter('the_content_feed', 'insertThumbnailRSS');

    So can I somehow merge these two in order to get the first image thumbnail of all the "attached images" of a post inside my RSS feed ?

    What would be the code for the function?

    Many thanks for your time and help.

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