/**
* Get first attached image source with set size.
*
* @param int $post_id
* @param string $size
* @param boolean $show_hidden
* @return string
*/
function ale_get_first_attached_image_src($post_id, $size = 'thumbnail', $show_hidden = true)
{
if (!$post_id) {
$post_id = get_the_ID();
}
$image = ale_get_first_attached_image($post_id, $show_hidden);
if ($image) {
$image_img = wp_get_attachment_image_src($image->ID, $size);
return $image_img[0];
} else {
return '';
}
}
function ale_get_og_meta_image()
{
global $post;
$thumbdone = false;
$og_image = '';
//Featured image
if (function_exists('get_post_thumbnail_id')) {
$attachment_id = get_post_thumbnail_id($post->ID);
if ($attachment_id) {
$og_image = wp_get_attachment_url($attachment_id, false);
$thumbdone = true;
}
}
//From post/page content
if (!$thumbdone) {
$image = ale_parse_first_image($post->post_content);
if ($image) {
preg_match('~src="([^"]+)"~si', $image, $matches);
if (isset($matches[1])) {
$image = $matches[1];
$pos = strpos($image, site_url());
if ($pos === false) {
if (stristr($image, 'http://') || stristr($image, 'https://')) {
$og_image = $image;
} else {
$og_image = site_url() . $image;
}
} else {
$og_image = $image;
}
$thumbdone = true;
}
}
}
//From media gallery
if (!$thumbdone) {
$image = ale_get_first_attached_image($post->ID);
if ($image) {
$og_image = wp_get_attachment_url($image->ID, false);
$thumbdone = true;
}
}
return $og_image;
}