Recently I Found some error on WordPress sites that when someone enter a question mark after the root domain and type any word, url shows the Home Page of instance:
For instance, Root Domain is abc.com abc.com/?anyword should be reached on the 404 not found page which shows the home page.
I need help with this Issue: https://www.iadm.edu.pk/?anyword should be redirected to the 404 not found page.
It is, in most cases, a logical thing to show the homepage even when there are querystrings available. Never the less, I'm assuming you have a reason for this. You could try code below to redirect your visitors to your 404 page:
if ( isset($_GET) ) {
global $wp_query;
$wp_query->set_404();
status_header( 404 );
get_template_part( 404 );
exit();
}
Keep in mind that some other functionality might break because of this. You may want to add some additional conditionals.
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