loop - Get single post from tags array

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I have wordpress and many posts. Every post have on tag. Posts may have same tags.

I have:

post1 tag1 date1
post2 tag1 date2
post3 tag2 date3
post4 tag3 date4
post5 tag2 date5

I have get:

post1
post3
post4

That is, I want to select from all posts one post from posts with the same tag and the earliest by date of publication.

I assume the following algorithm:

1. Get all tags of blog

2. Get posts for each tag

3. Get last date post for each tag

4. Show all posts from step 3.

I have wordpress and many posts. Every post have on tag. Posts may have same tags.

I have:

post1 tag1 date1
post2 tag1 date2
post3 tag2 date3
post4 tag3 date4
post5 tag2 date5

I have get:

post1
post3
post4

That is, I want to select from all posts one post from posts with the same tag and the earliest by date of publication.

I assume the following algorithm:

1. Get all tags of blog

2. Get posts for each tag

3. Get last date post for each tag

4. Show all posts from step 3.

• loop

Share Improve this question edited May 5, 2020 at 13:32 askurashev asked May 5, 2020 at 13:14 askurashevaskurashev 1333 bronze badges 2

• Not sure I understand exactly what you are trying to achieve but I just got done doing something somewhat similar, I think your answer is probably along the same lines. WP Query for Posts (Products) in Specific Category that has 2 Specific Tags (AND both tags not OR) – bbruman Commented May 5, 2020 at 13:21
• What helped me was looking at the different options in the WP Query Documentation here developer.wordpress/reference/classes/wp_query ... you can filter and get whatever posts you want using this – bbruman Commented May 5, 2020 at 13:22

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$args = array( 'type' => 'post', 'orderby' => 'name' ); $tags = get_tags($args); foreach($tags as $tag) { $the_query = new WP_Query( 'tag='.$tag->name ); if ( $the_query->have_posts() ) { $the_query->the_post(); $desired_posts[] = get_the_ID(); // all the post IDs stored here. } else { // no posts found } wp_reset_postdata(); } $args1 = array( 'post_type' => 'post', 'orderby' => 'date', 'post__in' => $desired_posts, 'posts_per_page' => -1 ); $the_query = new WP_Query( $args1 ); echo '<ul>'; if ( $the_query->have_posts() ) { while ( $the_query->have_posts() ) { $the_query->the_post(); echo '<li>'. get_the_title() . '</li>'; } } else { // no posts found } echo '</ul>';

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