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Display Primary Category (Yoast's WordPress SEO)
<?php
// SHOW YOAST PRIMARY CATEGORY, OR FIRST CATEGORY
$category = get_the_category();
$useCatLink = true;
// If post has a category assigned.
if ($category){
$category_display = '';
$category_link = '';
if ( class_exists('WPSEO_Primary_Term') )
{
// Show the post's 'Primary' category, if this Yoast feature is available, & one is set
$wpseo_primary_term = new WPSEO_Primary_Term( 'category', get_the_id() );
$wpseo_primary_term = $wpseo_primary_term->get_primary_term();
$term = get_term( $wpseo_primary_term );
if (is_wp_error($term)) {
// Default to first category (not Yoast) if an error is returned
$category_display = $category[0]->name;
$category_link = get_category_link( $category[0]->term_id );
} else {
// Yoast Primary category
$category_display = $term->name;
$category_link = get_category_link( $term->term_id );
}
}
else {
// Default, display the first category in WP's list of assigned categories
$category_display = $category[0]->name;
$category_link = get_category_link( $category[0]->term_id );
}
// Display category
if ( !empty($category_display) ){
if ( $useCatLink == true && !empty($category_link) ){
echo '<span class="post-category">';
echo '<a href="'.$category_link.'">'.htmlspecialchars($category_display).'</a>';
echo '</span>';
} else {
echo '<span class="post-category">'.htmlspecialchars($category_display).'</span>';
}
}
}
?>
@Ikubod

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commented Dec 28, 2016

Saved my tush. Thanks for this!

@sawwd

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commented Mar 13, 2017

Thank you :)

@brainbrian

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commented Jun 1, 2017

I'm surprised Yoast doesn't reorder the array and just make the primary the first item in the array. It seems to take when using categories in post URLs but not when doing a standard get_the_category.

Thanks for this gist!

@anastahery

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commented Jun 18, 2017

how can i display a parent category of the “Primary” Category??

@MathieuLopes

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commented Dec 18, 2017

Thank you!
Great job!

@zenaul

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commented May 21, 2018

It's helped me out.
Thank you :)

@sakrow

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commented Jun 13, 2018

Great Job, more useful!

@ultrinnan

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commented Jul 16, 2018

thank you!

@apmeyer

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commented Sep 17, 2018

Thanks for this!

@JiveDig

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commented Oct 17, 2018

Thanks for the head start! I converted it to a helper function that just returns the term object. Now I can use it with any taxonomy and do and build the markup however I want with the data.
https://gist.github.com/JiveDig/5d1518f370b1605ae9c753f564b20b7f

@abidr

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commented Nov 7, 2018

Thanks, man.

@mk1sml

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commented Mar 25, 2019

This worked great! Thank you much!

@madushanl

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commented Apr 18, 2019

Thank mate!

@123Fives

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commented Oct 2, 2019

Life saver.

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