Using the fb_og_image_additional filter on Facebook Open Graph, Google+ and Twitter Card Tags for WordPress
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<?php | |
add_filter( 'fb_og_image_additional', 'extra_preview_images' ); | |
function extra_preview_images( $fb_image_additional ) { | |
//You could/should use your own logic to decide which images to return. This example only shows you the structure of the array you should return. | |
if ( !is_array( $fb_image_additional ) ) { | |
$fb_image_additional = array(); | |
} | |
$fb_image_additional[] = array( | |
'fb_image' => 'https://domain.com/wp-content/uploads/og_image2.jpg', | |
'png_overlay' => true, //Overlay PNG | |
); | |
$fb_image_additional[] = array( | |
'fb_image' => 'https://domain.com/wp-content/uploads/og_image3.jpg', | |
'png_overlay' => false, //Do not overlay PNG | |
); | |
return $fb_image_additional; | |
} |
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