Open Graph для WordPress

open_graph_wp.php

<?php
add_action( 'wp_head', 'morkovin_opengraph_add_head' );
function morkovin_opengraph_add_head(){
	if(function_exists('show_morkovniy_opengraph')) { show_morkovniy_opengraph(); }
}
function show_morkovniy_opengraph() {
    if ( is_single() ) {
        $title = get_the_title();

        $post = get_post( get_the_ID() );
		$content = $post->post_content;

        $description = wp_trim_words($content, 50, '...');

        $img = '';
        $w = 1000; $h = 480;
        if ( kama_thumb_src() ) {
            $img = kama_thumb_src('w='.$w.'&h='.$h);
        } else {
            $img = kama_thumb_src('w='.$w.'&h='.$h.'&src='.get_stylesheet_directory_uri().'/images/no-photo.jpg');
        }

        echo '<meta property="og:title" content="'.$title.'" />';
        echo "\n";
        echo '<meta property="og:description" content="'.$description.'" />';
        echo "\n";
        echo '<meta property="og:image" content="'.$img.'" />';
        echo "\n";
        echo '<meta property="og:image:width" content="'.$w.'" />';
        echo "\n";
        echo '<meta property="og:image:height" content="'.$h.'" />';
        echo "\n\n";
    }
}