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How can I get the ID of a post (or page) based on the $query_vars variable? I want to do something like

$query_vars['post_id']

But I don't have a reference page that has the list of $query_vars perams. The code will be using the template_redirect action hook.

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2 Answers

up vote 1 down vote accepted

When viewing a single post, get_the_ID(); used within the loop will return the current post's ID.

But I don't have a reference page that has the list of $query_vars params...

Dumping it

global $wp_query;
var_dump($wp_query->query_vars);

would provide such a reference.

Where you'd subsequently see that $wp_query->query_vars['page_id'] yields the page ID.

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If you're on a single post or page view, try using get_queried_object_id().

Or, if you don't know what type of view you're on, use get_queried_object() and then analyse the object returned to find out whether its a post, a taxonomy term, or something different.

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Thanks, I will note this. –  21zna9 Nov 16 '11 at 22:57
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