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Is there a way to disable single post page, for example when some tries to go to single post page to show 404 page.

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Just out of curiosity ... why? – EAMann Mar 9 '12 at 0:52
@EAMann hi, it is because, I do not need single page, but I need post content to display in widget. Just wondering is there a way to disable single page. – user1147 Mar 9 '12 at 1:03
Not sure if a 404 is the best idea. Simply remove all links to single post views. – kaiser Mar 9 '12 at 10:38
@kaiser Hi, I do not have links to that single post, but if I do not show 404 than I'll need to setup so google doesn't index these pages, I'm not sure what is the best idea, because here is SEO also good question. – user1147 Mar 9 '12 at 13:12
up vote 8 down vote accepted

Although I'm also curious as to why you'd want to do this, and would probably suggest using a custom post type instead, this would probably work (actually works for any single post type except pages and attachments):

add_action( 'pre_get_posts', 'wpse44983_single_post_404' );
function wpse44983_single_post_404( $query ) {
    if ( $query->is_main_query() && $query->is_single() )
        $query->is_404 = true;
share|improve this answer
For pages & attachments, you can switch to $query->is_singular();. – kaiser Mar 9 '12 at 10:38
@helenhousandi Hi, thank you for response, this is also what have I tried, it works, my question is I'm just wondering how will this affect SEO. – user1147 Mar 9 '12 at 13:14
@user1147 That sounds like a completely different question, and one that isn't relevant to WordPress itself and should probably be asked elsewhere. – helenhousandi Mar 9 '12 at 15:39
@helenhousandi Hey, yes, it is different question, but still I got my answer. Thank you – user1147 Mar 9 '12 at 15:41

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