Admin panel custom post pagination showing same results

@lucagrandicelli here is the code:

Class CP_Testimonial {
	/**
	 * Initialize all the things
	 */

    public static $post_name = 'testimonial';
    public static $tag_taxonomy = 'testimonial_tag';

	function __construct() {
		// Actions
        add_action( 'init', array( $this, 'register_cpt' ) );
        add_action( 'after_setup_theme', array( $this, 'register_ct_tags' ), 1 );
	}
	/**
	 * Register the custom post type
	 */
	public function register_cpt() {
		$labels = array(
            'all_items'          => __( 'All Testimonials', 'ediloc' ),
			'name'               => __( 'Testimonials', 'ediloc' ),
			'singular_name'      => __( 'Testimonial', 'ediloc' ),
			'add_new'            => __( 'Add New', 'ediloc' ),
			'add_new_item'       => __( 'Add New Testimonial', 'ediloc' ),
            'edit_item'          => __( 'Edit Testimonial', 'ediloc' ),
            'update_item'        => __( 'Update Testimonial', 'ediloc' ),
			'new_item'           => __( 'New Testimonial', 'ediloc' ),
			'view_item'          => __( 'View Testimonial', 'ediloc' ),
			'search_items'       => __( 'Search Testimonials', 'ediloc' ),
			'not_found'          => __( 'No Testimonials found', 'ediloc' ),
			'not_found_in_trash' => __( 'No Testimonials found in Trash', 'ediloc' ),
			'parent_item_colon'  => __( 'Parent Testimonial:', 'ediloc' ),
			'menu_name'          => __( 'Testimonials', 'ediloc' ),
		);
		$args = array(
            'labels'              => $labels,
            'description'         => __( 'Testimonials for the website.', 'ediloc' ),
			'hierarchical'        => false,
			'supports'            => array( 'title', 'editor', 'thumbnail', 'revisions' ),
			'public'              => false,
			'show_ui'             => true,
			'show_in_rest'        => true,
			'publicly_queryable'  => false,
			'exclude_from_search' => true,
            'has_archive'         => false,
            'show_in_menu'        => true,
		    'show_in_nav_menus'   => true,
			'query_var'           => true,
            'can_export'          => true,
            'show_in_admin_bar'   => true,
            //'rewrite'             => array( 'slug' => 'testimonial', 'with_front' => false ),
            'menu_position'       => 20,
			'menu_icon'           => 'dashicons-format-quote',
			//'template'            => array( array( 'core/quote', array( 'className' => 'is-style-large' ) ) ),
			//'template_lock'      => 'all',
		);
		register_post_type( self::$post_name , $args );
    }
    
    //category type taxonomy tags
    public function register_ct_tags() {
        $labels = array(
            'name' => __( 'Tags', 'ediloc' ),
            'singular_name' => __( 'Tag', 'ediloc' ),
            'search_items' =>  __( 'Search Tag', 'ediloc' ),
            'all_items' => __( 'All Tags', 'ediloc' ),
            'parent_item' => __( 'Parent Tag', 'ediloc' ),
            'parent_item_colon' => __( 'Parent Tag:', 'ediloc' ),
            'edit_item' => __( 'Edit Tag', 'ediloc' ), 
            'update_item' => __( 'Update Tag', 'ediloc' ),
            'add_new_item' => __( 'Add New Tag', 'ediloc' ),
            'new_item_name' => __( 'New Tag Name', 'ediloc' ),
            'menu_name' => __( 'Tags', 'ediloc' ),
        ); 	

        register_taxonomy(self::$tag_taxonomy, array(self::$post_name), array(
            'public' => true,   
            'hierarchical' => false,
            'labels' => $labels,
            'show_ui' => true,
            'show_admin_column' => true,
            'show_in_nav_menus' => false,
            'query_var' => true,
            'show_in_rest' => true,
            'rewrite' => array( 'slug' => self::$tag_taxonomy ),
        ));
    }

    public static function get_random($limit, $term_ids) {
        $args = array(
            'post_type' => self::$post_name,
            'tax_query' => array( 
                array( 
                    'taxonomy' => self::$tag_taxonomy,
                    'field' => 'id', 
                    'terms' => $term_ids
                ) 
            ),
            'orderby'   => 'rand',
            'posts_per_page' => $limit,
         );
        $testimonials = new WP_Query( $args );
        return $testimonials;
    }

    public static function get_tags() {
        $tags = [];
        $terms = get_terms( [
            'taxonomy' => self::$tag_taxonomy,
            'hide_empty' => true,
        ]);
        if (!empty($terms)) {
            foreach($terms as $term) {
                $tags[$term->term_id] = $term->name;
            }
        }
        return $tags;
    }
}
new CP_Testimonial();

• This reply was modified 7 years, 5 months ago by speedwheel.
• This reply was modified 7 years, 5 months ago by speedwheel.
• This reply was modified 7 years, 5 months ago by speedwheel.

@lucagrandicelli Thanks.