[Support request] How to “hide” GenerateBlock when related custom-meta field is empty?

[Sascha]

Hello,

please, allow me to handle this request here, since I use both GPP & GBP and would like to keep all my support tickets here.

When I create a template for a Custom Post Type, that has a few Custom Fields, I know, that empty data will not be displayed.

But sometimes there will be additional headline-field, which need to be hidden too. Example:

1. Headline-Block “Location-Title” (h4, plain)
2. Headline-Block “Location-Data” (h4, dynamic > display data from “location_data” field in related post)

Is there a way to hide this 1. Headline-Block too, when the related field for 2. HB is empty?

Thank you in advance and sorry for my low english,
Sascha

[Ying]

1. Add an addtional CSS class to the NO.1 Headline block, eg. location-title.

2. Add this PHP snippet,

add_filter( 'render_block', function( $block_content, $block ) {
	$location_data = get_post_meta( get_the_ID(), 'location_data', true );
    if (  ! empty( $block['attrs']['className'] ) && 'location-title' ===  $block['attrs']['className']  && empty($location_data ))  {
        $block_content = '';
    }

    return $block_content;
}, 10, 2 );

[Author]

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