/**
* Get attachment images
*
* @since 1.0
*
* @param int $id
* @param string $size
* @param string $format
* @return array
*/
public static function getAttachmentImages($id, $size, $format = 'array')
{
// Meta data
if (($metadata = wp_get_attachment_metadata($id)) === false || !isset($metadata['sizes'][$size])) {
return $format == 'html' ? '' : array();
}
$file = explode('/', $metadata['file']);
$metadata['sizes']['full'] = array('file' => array_pop($file), 'width' => $metadata['width'], 'height' => $metadata['height']);
// Current
$current = $metadata['sizes'][$size];
$current['ratio'] = $current['width'] / $current['height'];
$current['crop'] = isset($GLOBALS['_wp_additional_image_sizes'][$size]) ? $GLOBALS['_wp_additional_image_sizes'][$size]['crop'] : null;
// Images
$images = array();
foreach ($metadata['sizes'] as $_size => $size) {
if ($size['width'] > $current['width'] && ($current['crop'] === false && isset($GLOBALS['_wp_additional_image_sizes'][$_size]) && !$GLOBALS['_wp_additional_image_sizes'][$_size]['crop'] || abs($size['width'] / $size['height'] - $current['ratio']) <= 0.015)) {
list($images[$size['width']]) = wp_get_attachment_image_src($id, $_size);
}
}
// Sort
ksort($images);
// Keys prefix
$images = \Drone\Func::arrayKeysMap(function ($s) {
return 'data-image' . $s;
}, $images);
// Output
switch ($format) {
case 'html':
return \Drone\Func::arraySerialize($images, 'html');
default:
return $images;
}
}
protected function getSlider()
{
// Data
$data = array_map(function ($e) {
return is_bool($e) || $e === '' ? Func::boolToString($e) : $e;
}, $this->so_('slider')->toArray());
$data = Func::arrayKeysMap(function ($k) {
return 'slider-' . $k;
}, $data);
// HTML
$html = HTML::ul()->id('gallery-' . ++$this->instance_id)->class('slider')->data($data);
foreach ($this->getAttachments() as $attachment) {
$li = $html->addNew('li');
// Caption
$caption = HTML::make();
if ($this->so('captions') && ($excerpt = trim($attachment->post_excerpt))) {
$caption->addNew('h3')->add(wptexturize($excerpt));
}
// Hyperlink and image
if ($attachment->post_content && preg_match('#<iframe.*?>\\s*</iframe>#i', $attachment->post_content, $matches)) {
$iframe = preg_replace_callback('#src="(?P<url>(https?:)?//www.youtube.com/embed/[-_a-z0-9]+)\\??(?P<get>.*?)"#i', function ($m) {
return sprintf('src="%s?wmode=opaque&enablejsapi=1%s"', $m['url'], isset($m['get']) && $m['get'] ? '&' . $m['get'] : '');
}, $attachment->post_content);
$li->addNew('div')->class('embed')->add($iframe);
} else {
if ($url = $this->getAttachmentLinkURI($attachment)) {
$li->addNew('a')->attr(\Everything::getImageAttrs('a', $this->so_('image')->toArray()))->data('fancybox-group', $html->id)->data('fancybox-title', $attachment->post_excerpt)->href($url)->add(wp_get_attachment_image($attachment->ID, 'auto', false, array('title' => $caption->html())));
} else {
$li->addNew('div')->attr(\Everything::getImageAttrs('div', $this->so_('image')->toArray()))->add(wp_get_attachment_image($attachment->ID, 'auto', false, array('title' => $caption->html())));
}
}
}
return $html;
}
