The next_posts_link() works only with original $wp_query

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I’ve got custom template that I want to display paged blog posts. This is the beginning of my file:

$wp_query = new WP_Query($args);
    if($wp_query->have_posts()){
        while($wp_query->have_posts()){ $wp_query->the_post();
            //something...
    <?php next_posts_link('Older Entries'); ?>
    <?php previous_posts_link('Newer Entries'); ?>

It works fine – it displays OLDER and NEWER links when it should. On the first page it will display only a link to older entires. On the second page both to newer entries and yet older ones etc.

But I don’t want to overwrite current $wp_query… I want to use let’s say $wp_query2 for this loop. And the links don’t appear at all if I do this.

According to this: http://codex.wordpress.org/Function_Reference/next_posts_link they print a link to the prev/next set of posts within the current query. I assume that $wp_query2 isn’t my “CURRENT QUERY” but $wp_query always is. Can I change that somehow?

UPDATE:
Adding &paged=2 manually to the link causes it to correctly go to the next set of posts (next page) and on second, third etc. page previous_posts_link() works even if I use $wp_query2. So, I’m just missing next_posts_link() functionality on every page.

2 s
2

next_posts_link and previous_posts_link use the global $wp_query. 

function get_next_posts_link( $label = null, $max_page = 0 ) {
    global $paged, $wp_query;

http://core.trac.wordpress.org/browser/tags/3.5/wp-includes/link-template.php#L1523

That means you need to do something like this to get those to work correctly.

$orig_query = $wp_query;
$wp_query = new WP_Query($args);
// the rest of your code
$wp_query = $orig_query;

If you are done with $wp_query for that page load there is no reason to preserve it. It should be pretty easy to copy those core functions, modify them to accept a query parameter and create your own paging functions.

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