stevegrunwell/schemify

<?php
/**
 * The Article Schema.
 *
 * @package Schemify
 * @link    http://schema.org/Article
 */

namespace Schemify\Schemas;

class Article extends CreativeWork {

    /**
     * The properties this schema may utilize.
     *
     * @var array $properties
     */
    protected static $properties = array(
        'articleBody',
        'articleSection',
        'pageEnd',
        'pageStart',
        'pagination',
        'wordCount',
    );

    /**
     * Retrieve the word-count of the post's post_content.
     *
     * @link http://www.thomashardy.me.uk/wordpress-word-count-function
     *
     * @param int $post_id The post ID.
     * @return int The number of words in the post.
     */
    public function getWordCount( $post_id ) {
        $content = get_post_field( 'post_content', $post_id );

        return str_word_count( strip_tags( $content ) );
    }
}