Related Post – Page 3 – WP Show Posts

This topic has 40 replies, 3 voices, and was last updated 2 years, 2 months ago by Tom.

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November 4, 2020 at 3:17 pm #22223
Tom
Keymaster
Let’s try this:
```
<?php if ( is_single() ) {
    $cat_values = array();

    $cats =  get_the_category();

    foreach ( $cats as $cat ) {
        $cat_values[] = $cat->slug;
    }
} else {
    $cat_values = get_category( get_query_var( 'cat' ) );
}

// Remove first category, assuming it's a parent.
if ( count( $cat_values ) > 1 ) {
    unset( $cat_values[0] );
}

$cat_slug = implode( ', ', $cat_values );
$list = get_page_by_title( 'related', 'OBJECT', 'wp_show_posts' );
wpsp_display( $list->ID, 'tax_term="' . $cat_slug . '"' );
?>
```
November 4, 2020 at 3:36 pm #22225

Samuel
Participant

It seems to work ! 🙂 WPSP is displaying child category on post with child category and when post has no child category it’s displaying the category.

The only thing really weird is i got just one category and its child category that is displaying a “Sorry, no posts were found.”

November 6, 2020 at 2:19 pm #22275

Tom
Keymaster

Can you explain that a bit more? Not sure I understand.

November 7, 2020 at 3:32 am #22293

Samuel
Participant

Sorry about that, it shows “no posts were found” because there is only one post inside this category… so it’s normal !

To go further, I’m showing 4 related posts : Would it possible to tell WPSP to show other posts from parent category or from other category if there is less than 4 posts in the current category ?

November 9, 2020 at 2:47 pm #22402
Tom
Keymaster
You could try this:
```
<?php if ( is_single() ) {
    $cat_values = array();

    $cats =  get_the_category();

    foreach ( $cats as $cat ) {
        $cat_values[] = $cat->slug;
    }
} else {
    $cat_values = get_category( get_query_var( 'cat' ) );
}

// Remove first category as long as there's more than 4 categories.
if ( count( $cat_values ) > 4 ) {
    unset( $cat_values[0] );
}

$cat_slug = implode( ', ', $cat_values );
$list = get_page_by_title( 'related', 'OBJECT', 'wp_show_posts' );
wpsp_display( $list->ID, 'tax_term="' . $cat_slug . '"' );
?>
```
November 10, 2020 at 2:56 am #22451
Samuel
Participant
Hi Tom,

Here was the first code that was resolving the issue of “Display Child Category, and if there is not then display Parent Category” :
```
// Remove first category, assuming it's a parent.
if ( count( $cat_values ) > 1 ) {
    unset( $cat_values[0] );
}
```
If as you suggest I replace it with :
```
// Remove first category as long as there's more than 4 categories.
if ( count( $cat_values ) > 4 ) {
    unset( $cat_values[0] );
}
```
It’s displaying parent category everywhere, so first issue is coming back and it’s not displaying Child category when there is one.

What would be awesome is :

1 / Priority is “Get Child Category”
2 / Then “If there is no Child Category then Get Category”
3 / And “If there is less then 4 items in a Child Category then get Category”

Would that be possible ?
November 10, 2020 at 3:27 pm #22474

Tom
Keymaster

What that code should do is remove the parent category if there are more than 4 categories to pull posts from.

So if you have this:

– Parent
– Child
– Child
– Child

Then it will get posts from the parent.

However, if you have this:

– Parent
– Child
– Child
– Child
– Child

It will only pull posts from the children.

November 11, 2020 at 6:12 am #22497

Samuel
Participant

Ok, so there is a misunderstanding.

I’m showing 4 related posts and I was asking if it’s possible to show posts from another category or from a parent category in the case there is less then 4 posts in a child category.

Don’t know if this make sense…

November 11, 2020 at 3:37 pm #22518

Tom
Keymaster

Ah sorry, I understand now. That gets even more complex as you need to count the posts in each category that’s being rendered in that function. Unfortunately, we’ve already gone a little out of the scope of support in this forum – something like this would take quite a lot of tweaking and playing with in order to get it working correctly.

November 12, 2020 at 2:18 am #22527

Samuel
Participant

Ok, I understand 🙂 Thanks a lot Tom !

November 12, 2020 at 8:26 pm #22564

Tom
Keymaster

No problem!
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