function catch_that_image donotcrack

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function catch_that_image() {
global $post, $posts;
$first_img = ”;
ob_start();
ob_end_clean();
$output = preg_match_all(‘/<img.+src=[\'”]([^\'”]+)[\'”].*>/i’, $post->post_content, $matches);
$first_img = $matches[1][0];

if(empty($first_img)) {
$first_img = “http://donotcrack.com/wp-content/uploads/2018/09/default.jpg”;
}
return $first_img;
}

//Adding the Open Graph in the Language Attributes
function add_opengraph_doctype( $output ) {
return $output . ‘ xmlns:og=”http://opengraphprotocol.org/schema/” xmlns:fb=”http://www.facebook.com/2008/fbml”‘;
}
add_filter(‘language_attributes’, ‘add_opengraph_doctype’);

//Lets add Open Graph Meta Info

function insert_fb_in_head() {
global $post;
if ( !is_singular()) //if it is not a post or a page
return;
echo ”;
echo ”;
echo ”;
echo ”;
echo ”;

echo ”;
}

echo ”
“;

add_action( ‘wp_head’, ‘insert_fb_in_head’, 5 );