/**
* Vytvoří set pro html tag picture
*
* @author Jan Pokorný
* @param WP_Post $post Attachment
* @param string $defaultSize Wordpress velikost obrázku pro <img>
* @param int $width Šířka - nutné pro lazyload
* @param int $height Výška - nutné pro lazyload
* @param array min-width => wordpress velikost - 1024 => KT_IMG_SIZE_SLIDER
* @param array $imgAttrs Attributy pro img tag atribute => hodnota
* @return string Kolekce tagů <img> x * <source>
*/
public static function imageGetPictureSet(WP_Post $post, $defaultSize, $width, $height, $sizes = [], $imgAttrs = [])
{
$picture = "";
foreach ($sizes as $minWidth => $size) {
$picture .= sprintf('<source srcset="%s" media="(min-width:%spx)">', wp_get_attachment_image_url($post->ID, $size), $minWidth);
}
$imgAttrs = array_merge(["alt" => $post->post_title], $imgAttrs);
$picture .= KT::imageGetHtmlByUrl(wp_get_attachment_image_url($post->ID, $defaultSize), $width, $height, $imgAttrs);
return $picture;
}
