img link in post meta vs. just the img attachment ID

Doh, just found part of my answer here. That being said, does the File_List also support just storing the attachment ID?

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A file uploader. By default it will store the file url and allow either attachments or URLs. This field type will also store the attachment ID (useful for getting different image sizes). It will store it in $id . ‘_id’, so if your field id is test_image the ID is stored in test_image_id. You can also limit it to only allowing attachments (can’t manually type in a URL), which is also useful if you plan to use the attachment ID. The example shows its default values, with possible values commented inline. Example:

array(
    'name' => 'Test File',
    'desc' => 'Upload an image or enter an URL.',
    'id' => $prefix . 'test_image',
    'type' => 'file',
    'allow' => array( 'url', 'attachment' ) // limit to just attachments with array( 'attachment' )
),

That part I’m not quite sure of, regarding storing the attachment ID with File_List, so I’ll need to check tomorrow when our CMB2 developer is online again. If you don’t hear from me within the next couple days, ping me on here to pester me ??

Hi ogdsgn, From what I’ve been told, the array key with the file list, is the attachment ID, and the value for that index is the url.

so if you fetched them all, and stored them in $myfiles, you could do

foreach( $files as $attach_id => $attach_url ) {
	echo 'The attachment ID is: '. $attach_id;
}

and whatever else you may need to do with it.

Hopefully my pseudo-code is right or really close to right here. Meant to give the general idea.

Excellent, makes sense.

cheers!

$image= wp_get_attachment_image( get_post_meta( get_the_ID(), ‘_home_heroimage’, true ), ‘full’ );

I am not getting the attachment id.

get_post_meta( get_the_ID(), ‘_home_heroimage’, true ); // this returned the url

litan1106 it’s going to depend on what exactly is getting saved with your meta data and you’ll need to adjust accordingly.

litan1106 please review the thread above and/or the documentation: https://github.com/WebDevStudios/CMB2/wiki/Field-Types#file. If you’re using the file field type, the metakey you want to use to retrieve the attachment id would be _home_heroimage_id.