| <?php |
| /* |
| Plugin Name: Orbisius Facebook Share Image Preview Fix |
| Plugin URI: http://orbisius.com |
| Description: Makes sure that post's featured image is 1200x630 so facebook can use it as preview. |
| Version: 1.0.0 |
| Author: Svetoslav Marinov (Slavi) |
| Author URI: http://club.orbisius.com/products/ |
| */ |
| |
| add_action( 'wp', 'orbisius_og_tags_init', 100 ); |
| |
| /** |
| */ |
| function orbisius_og_tags_init() { |
| add_action( 'wp_head', 'orbisius_og_output_tags' ); |
| } |
| |
| /** |
| * Outputs a header instruction |
| * @see http://davidwalsh.name/demo/facebook-metas.php |
| * @see http://stackoverflow.com/questions/11616697/how-to-use-og-meta-tag-for-facebook-share |
| */ |
| function orbisius_og_output_tags() { |
| global $post; |
| $id = get_the_ID(); |
| |
| /*if ( ! defined( 'orbisius_APP_POST_TYPE' ) |
| || 'post' != get_post_type( $id ) ) { |
| return; |
| }*/ |
| |
| /* |
| [0] => url |
| [1] => width |
| [2] => height |
| [3] => boolean: true if $url is a resized image, false if it is the original |
| or if no image is available. |
| */ |
| // Make facebook happy. |
| // @see http://webgilde.com/en/wrong-image-facebook/ |
| $img_src_rec = wp_get_attachment_image_src( |
| get_post_thumbnail_id( $id, array( 1200, 630 ) ) |
| ); |
| |
| if ( empty( $img_src_rec ) ) { |
| return ; |
| } |
| |
| $img_src = $img_src_rec[0]; |
| |
| /* |
| <!-- for Facebook --> |
| <meta property="og:title" content="" /> |
| <meta property="og:type" content="article" /> |
| <meta property="og:image" content="<?php echo $img_src; ?>" /> |
| <meta property="og:url" content="" /> |
| <meta property="og:description" content="" /> |
| |
| <!-- for Twitter --> |
| <meta name="twitter:card" content="summary" /> |
| <meta name="twitter:title" content="" /> |
| <meta name="twitter:description" content="" /> |
| <meta name="twitter:image" content="<?php echo $img_src; ?>" /> |
| */ |
| ?> |
| <!-- Make Facebook happy: 1200x630--> |
| <meta property="og:image" content="<?php echo $img_src; ?>" /> |
| <!-- /Make Facebook happy: 1200x630--> |
| <?php |
| } |
