How to check if on page 1 (not page 2, 3, etc) when rendering a block

[realthemes]

I'm working on rendering a custom block in WordPress and need to conditionally display it only on the first page (page 1) of a paginated query or on the front page. The block should not appear on subsequent pages like page 2, 3, etc.

I've tried using get_query_var('paged') and get_query_var('page'), but neither seems to work in my case. I also tried using global $post, but it returns 1 all the time, regardless of the page I'm on, and unfortunately, the block still shows on paginated pages (e.g., /?query-1-page=2).

Is there a reliable way to check if I am on page 1 (or the first page of a paginated query) when rendering a block? Please help me.

PS I'm using my custom block theme with custom Gutenberg blocks

[pshemek]

Hi, looking at the way the Post Template block (https://github.com/WordPress/gutenberg/blob/trunk/packages/block-library/src/post-template/index.php) is rendered, I think you can use the “render_block” filter for your block type and derive the query context in a similar way this block does.

[realthemes]

Yes, I found with the help of the pagination-numbers block that $_GET["query-X-page"] returns the page number. The only problem is how to pass the queryId to my block, since my block isn't inside a query loop, and therefore doesn't get the queryId context. I configured my block to loop through all parameters in $_GET and detect the page number. Thank you! I will mark your answer, as the method using $_GET is utilized by the WordPress team, and I will use it for my block as well.