generator-skull/generators/app/templates/lib/extras.jade

A generator to make magic sites by Index Digital, with Gulp, Jade, Babel, Sass or Less (your choice), Wordpress ready, Swiper slide, Font Awesome, Animated Css

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    /**
     * Custom functions that act independently of the theme templates.
     *
     * Eventually, some of the functionality here could be replaced by core features.
     *
     * @package _theme
     */

    /**
     * Adds custom classes to the array of body classes.
     *
     * @param array $classes Classes for the body element.
     * @return array
     */
    function _theme_body_classes( $classes ) {
        // Adds a class of group-blog to blogs with more than 1 published author.
        if ( is_multi_author() ) {
            $classes[] = 'group-blog';
        }
        // Adds a class of hfeed to non-singular pages.
        if ( ! is_singular() ) {
            $classes[] = 'hfeed';
        }
        return $classes;
    }
    add_filter( 'body_class', '_theme_body_classes' );

    /**
     * Resize Images
     *
     * @param int $width
     * @param int $height
     * @param string $url
     * @return string $image
     **/
    function _theme_resize_img($url, $width = 180, $height = 150)
    {
        if (!$url) {
            global $post;
            $url = wp_get_attachment_url( get_post_thumbnail_id($post->ID) );
        }

        $image = aq_resize($url, $width, $height, TRUE);
        if (!$image || !isset($image)) {
        	$placeholder = get_template_directory_uri() . '/source/img/placeholder.png';
        	$image = aq_resize($placeholder, $width, $height, TRUE);
        }
        return $image ? $image : $url;
    }

    /**
     * Resume Posts
     *
     * @param int $words
     * @param boolean $echo
     * @param int $id_post
     * @return string $retorno
     */
    function _theme_resume_post($words = 40, $echo = TRUE, $id_post = 0)
    {
        $allowed_tags = '<a>,<i>,<em>,<b>,<strong>,<ul>,<ol>,<li>,<span>,<blockquote>,<img>';
        if ($id_post > 0) {
            $post = get_post($id_post);
        } else {
            global $post;
        }

        $text = preg_replace('/\[.*\]/', '', strip_tags($post->post_content, $allowed_tags));
        $text = explode(' ', $text);
        $tot = count($text);

        if ($tot < $words)
            $words = $tot;

        $output = '';
        for ($i = 0; $i < $words; $i++) {
            $output .= $text[$i] . ' ';
        }

        $retorno = force_balance_tags(rtrim($output));

        if ($i < $tot)
            $retorno .= '...';

        if ($echo == TRUE) {
            echo $retorno;
        } else {
            return $retorno;
        }
    }

    /**
     * Show Pagination
     *
     * @param string $type
     * @param string $search
     * @return string $retorno
     */
    function _theme_show_pagination($type = 'post', $search = NULL)
    {
        if (!is_null($search)) {
            $loop = new WP_Query(array('s' => $search));
        }else{
            $loop = new WP_Query(array('post_type' => $type));
        }

        $big = 99999;
        $pages = paginate_links( array(
            'base'      => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
            'format'    => '?paged=%#%',
            'current'   => max( 1, get_query_var('paged') ),
            'total'     => $loop->max_num_pages,
            'type'      => 'array',
            'prev_next' => TRUE,
            'prev_text' => __('<span aria-hidden="true"> << </span>'),
            'next_text' => __('<span aria-hidden="true"> >> </span>'),
        ));

        if( is_array($pages)) {
            $paged = ( get_query_var('paged') == 0 ) ? 1 : get_query_var('paged');
            echo '<ul>';
            foreach ( $pages as $page ) {
                echo "<li>$page</li>";
            }
           echo '</ul>';
        }
        wp_reset_query();
    }