script for kadence

AIOSEO.php

function kt_get_aioseo_primary_category( $post_id = 0 ) {
	$post_id = $post_id ? absint( $post_id ) : get_the_ID();

	if ( ! $post_id ) {
		return false;
	}

	if ( function_exists( 'aioseo' ) ) {
		$aioseo = aioseo();

		if (
			isset( $aioseo->standalone->primaryTerm ) &&
			is_callable( array( $aioseo->standalone->primaryTerm, 'getPrimaryTerm' ) )
		) {
			$primary_term = $aioseo->standalone->primaryTerm->getPrimaryTerm( $post_id, 'category' );

			if ( $primary_term instanceof WP_Term && ! is_wp_error( $primary_term ) ) {
				return $primary_term;
			}
		}
	}

	$categories = get_the_terms( $post_id, 'category' );

	if ( ! empty( $categories ) && ! is_wp_error( $categories ) ) {
		return array_shift( $categories );
	}

	return false;
}

function kt_main_category_only() {
	$category = kt_get_aioseo_primary_category();

	if ( ! $category ) {
		return;
	}

	$cat_link = get_term_link( $category );

	if ( is_wp_error( $cat_link ) ) {
		return;
	}
	?>
	<div class="entry-taxonomies">
		<span class="category-links">
			<a href="<?php echo esc_url( $cat_link ); ?>" rel="category tag"><?php echo esc_html( $category->name ); ?></a>
		</span>
	</div>
	<?php
}

function kt_show_only_aioseo_main_category() {
	remove_action( 'kadence_loop_entry_header', 'Kadence\loop_entry_taxonomies', 10 );

	add_action( 'kadence_single_before_entry_title', 'kt_main_category_only', 5 );
	add_action( 'kadence_loop_entry_header', 'kt_main_category_only', 10 );
}
add_action( 'wp', 'kt_show_only_aioseo_main_category' );