functions.php

<?php
    register_taxonomy('featured',array (
    0 => 'projects',
    ),array(
        'hierarchical' => false,
        'label' => 'Featured',
        'show_ui' => false,
        'query_var' => true,
        'rewrite' => array('slug' => ''),
        'singular_label' => 'Featured post')
              );


    register_taxonomy('clients',array (
    0 => 'projects',
    ),array(
        'hierarchical' => true,
        'label' => 'Clients',
        'show_ui' => true,
        'query_var' => true,
        'rewrite' => array( 'slug' => 'client', 'with_front' => true ),
        'singular_label' => 'Client')
              );


    register_taxonomy('uitingen',array (
    0 => 'projects',
    ),array(
        'hierarchical' => true,
        'label' => 'Uitingen',
        'show_ui' => true,
        'query_var' => true,
        'rewrite' => array( 'slug' => 'uiting', 'with_front' => true ),
        'singular_label' => 'Uiting')
              );



    register_post_type('projects', array(
        'label' => 'Projects',
        'description' => 'Hieronder vallen alle afgeronde projecten van TRIPP.',
        'public' => true,
        'show_ui' => true,
        'show_in_menu' => true,
        'capability_type' => 'post',
        'hierarchical' => false,
        'rewrite' => array( 'slug' => 'project', 'with_front' => true ),
        'query_var' => true,
        'has_archive' => true,

        'menu_position' => 3,
        'menu_icon' => get_template_directory_uri().'/images/projects.png', // 16px16

        'supports' => array('title','editor','custom-fields','revisions','thumbnail','author',),
        'labels' => array (
            'name' => 'Projects',
            'singular_name' => 'Project',
            'menu_name' => 'Projects',
            'add_new' => 'Add Project',
            'add_new_item' => 'Add New Project',
            'edit' => 'Edit',
            'edit_item' => 'Edit Project',
            'new_item' => 'New Project',
            'view' => 'View Project',
            'view_item' => 'View Project',
            'search_items' => 'Search Projects',
            'not_found' => 'No Projects Found',
            'not_found_in_trash' => 'No Projects Found in Trash',
            'parent' => 'Parent Project',
),) );


function pagination($prev = '&laquo;', $next = '&raquo;') {
    global $wp_query, $wp_rewrite;
    $wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1;
    $pagination = array(
        'base' => @add_query_arg('paged','%#%'),
        'format' => '',
        'total' => $wp_query->max_num_pages,
        'current' => $current,
        'prev_text' => __($prev),
        'next_text' => __($next),
        'type' => 'plain'
);
    if( $wp_rewrite->using_permalinks() )
        $pagination['base'] = user_trailingslashit( trailingslashit( remove_query_arg( 's', get_pagenum_link( 1 ) ) ) . 'page/%#%/', 'paged' );

    if( !empty($wp_query->query_vars['s']) )
        $pagination['add_args'] = array( 's' => get_query_var( 's' ) );

    echo paginate_links( $pagination );
};



?>