Wordpress Function: Social Meta Tags for Open Graph

Wordpress Function: Social Meta Tags for Open Graph.php

function insert_fb_in_head() {
	global $post;
	if ( !is_singular()) return; 
	$meta = strip_tags($post->post_content);
	$meta = strip_shortcodes($post->post_content);
	$meta = str_replace(array("\n", "\r", "\t"), ' ', $meta);
	$meta = substr($meta, 0, 125);    
    $meta = strip_tags($meta);
    
    // basics, same for all    
    echo '<meta property="og:locale" content="en_US" />' . "\n";
    echo '<meta property="og:type" content="article" />' . "\n";
    echo '<meta name="twitter:creator" content="@fizzle"/>' . "\n";
    echo '<link rel="publisher" href="https://plus.google.com/b/112331585854758294372/+FizzleCo/posts"/>' . "\n";
    echo '<meta name="twitter:site" content="@fizzle"/>' . "\n";
    echo '<meta name="twitter:domain" content="Fizzle"/>' . "\n";
    echo '<meta property="og:site_name" content="Fizzle" />' . "\n";
    echo '<meta property="article:publisher" content="https://www.facebook.com/FizzleCo" />' . "\n";
    echo '<meta property="fb:admins" content="793120244" />' . "\n";
    echo '<meta name="twitter:card" content="summary_large_image"/>' . "\n";
    // title, URL, description
    echo '<meta property="og:title" content="' . get_the_title() . '"/>' . "\n";
    echo '<meta property="og:url" content="' . get_permalink() . '"/>' . "\n";
    echo '<meta property="og:description" content="' . $meta . '"/>' . "\n";
    echo '<meta name="description" content="' . $meta . '">' . "\n";
	
    // post image
    if(!has_post_thumbnail( $post->ID )) { 
        if ( post_is_podcast() ) { 
            echo '<meta property="og:image" content="https://fizzle.co/wp-content/themes/fizzle_02/images/sparkline-fizzle-show-post-image-06.jpg"/>' . "\n";
        }
        else {
    		echo '<meta property="og:image" content="https://fizzle.co/wp-content/uploads/2015/02/fizzle-ogimage-01.jpg"/>' . "\n";
        }
	}
	else{
		$thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'large' );
		echo '<meta property="og:image" content="' . esc_attr( $thumbnail_src[0] ) . '"/>' . "\n";
	}
}
add_action( 'wp_head', 'insert_fb_in_head', 5 );