[Fermé] prev next navigation shortcode inner parent

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[alexd-6]

Hey - in my code if i in first Item - it shows in paginationprev child from other Parent. Here is my code and URL where you can see it:

hidden link

// Add Pagination Shortcode
function paginationprev() {
$next_post = wpv_child(1, 'projekt', 'objekt');
// $previous_post = wpv_child(-1, 'projekt', 'objekt');
// $prev_pagination= '';
$next_pagination = '';

if($next_post ){

$next_pagination = "<div class='previousnav'> << ".get_the_title($next_post->ID)."</div>";
}

//$pagination = "zurück >";

return '<div class="objektpagination">'.$next_pagination;

}
add_shortcode( 'paginationprev', 'paginationprev' );

### Child Navigation ###
// Add Pagination Shortcode
function paginationnext() {
//$next_post = wpv_child(1, 'projekt', 'objekt');
$previous_post = wpv_child(-1, 'projekt', 'objekt');
$prev_pagination= '';
//$next_pagination = '';

if($previous_post){
$prev_pagination = "<div class='nextnav'> ".get_the_title($previous_post->ID)." >> </div>";
}

//$pagination = "zurück >";

return $prev_pagination.'</div>';

}
add_shortcode( 'paginationnext', 'paginationnext' );

function wpv_child($step, $parentslug, $childslug) {
global $post;
$parent = get_post_meta($post->ID, '_wpcf_belongs_' . $parentslug
. '_id', true);
$children = get_posts(array('post_type' => $childslug, 'meta_key' => '_wpcf_belongs_' . $parentslug . '_id', 'meta_value' => $parent, 'numberposts' => -1));
$i = 0;
foreach ($children as $i => $child) {
if ($child->ID == $post->ID) break;
}
$i += $step;
if (isset($children[$i])) return $children[$i];
}
/code>

but it isnt in same parent. Is it possible?

can you help me again?

thx and best regards - alex

[Christian Cox]

Hi, can you tell me if your site has migrated to the new Post Relationships system? You would be able to tell by going to Toolset > Relationships. If you see a list of Post Relationships as shown in the screenshot here, your site has been migrated. If you see a message that you must migrate to use the new relationships system, your site has not been migrated.

If you have migrated to the new system, this code will not be effective because it is written for the old relationships system. New APIs are available to help you query post relationships now. I can help you modify this code to work in the new relationships system if necessary, but I need to know if this is required or not before we go further. Please let me know what you find out in Toolset > Relationships and we can go from there.