I needed to get the post slug for a wordpress client because I conditionally needed to show posts and a custom post type that was tagged a certain way. By naming the page and the tag I needed the same, their slug was the same. Therefore being able to “relate posts” dynamically.
All you need is to add this to your functions.php
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function the_slug() {
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$post_data = get_post($post->ID, ARRAY_A);
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$slug = $post_data['post_name'];
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return $slug;
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}
Then anywhere in your template you can get posts dynamically by the tag slug.
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<?php $relatedposts = get_posts(array('post_type' => 'post', 'numberposts' => 5, 'tag' => the_slug()));
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foreach($relatedposts as $post) : setup_postdata($post); ?>
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<h2><a href="<?php the_permalink(); ?>" class="ctaurls"><?php the_title(); ?></a></h2>
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<?php endforeach; ?>
