field, array(
'library' => array(),
'preview' => false,
'preview_width' => '',
'preview_height' => '',
'button_title' => esc_html__('Upload', 'csf'),
'remove_title' => esc_html__('Remove', 'csf'),
));
echo $this->field_before();
$library = (is_array($args['library'])) ? $args['library'] : array_filter((array) $args['library']);
$library = (!empty($library)) ? implode(',', $library) : '';
$hidden = (empty($this->value)) ? ' hidden' : '';
if (!empty($args['preview'])) {
$preview_type = (!empty($this->value)) ? strtolower(substr(strrchr($this->value, '.'), 1)) : '';
$preview_src = (!empty($preview_type) && in_array($preview_type, array('jpg', 'jpeg', 'gif', 'png', 'svg', 'webp'))) ? $this->value : '';
$preview_width = (!empty($args['preview_width'])) ? 'max-width:' . esc_attr($args['preview_width']) . 'px;' : '';
$preview_height = (!empty($args['preview_height'])) ? 'max-height:' . esc_attr($args['preview_height']) . 'px;' : '';
$preview_style = (!empty($preview_width) || !empty($preview_height)) ? ' style="' . esc_attr($preview_width . $preview_height) . '"' : '';
$preview_hidden = (empty($preview_src)) ? ' hidden' : '';
echo '';
echo '
';
echo '
 . ')
';
echo '
';
echo '