我正在为Wordpress使用Portfolio Gallery插件，但是我想知道当用户单击ALL过滤器标签时，是否可能仅显示6个随机图像（此标签将获取其他过滤器标签的所有图像）
<?php
如果（！defined（'ABSPATH'））退出; //如果直接访问则退出
/ **
Blue Imp灯箱加载文件
* /
wp_enqueue_style（'awl-bootstrap-lightbox-css'，PFG_PLUGIN_URL .'lightbox / bootstrap / css / ekko-lightbox.css'）;
wp_enqueue_script（'awl-bootstrap-lightbox-js'，PFG_PLUGIN_URL .'lightbox / bootstrap / js / ekko-lightbox.js'，array（'jquery'），``，true）;
$ allimages = array（'p'=> $ pf_gallery_id，'post_type'=>'awl_filter_gallery'，'orderby'=>'ASC'）;
$ loop =新的WP_Query（$ allimages）;
while（$ loop-> have_posts（））：$ loop-> the_post（）; $ post_id = get_the_ID（）;
$all_category = get_option('awl_portfolio_filter_gallery_categories');
// collect all selected filters assigned on images
$all_selected_filters = array();
foreach ($filters as $filters_key => $filters_value) {
if(is_array($filters_value)) {
$all_selected_filters = array_merge($all_selected_filters, $filters_value);
}
}
?>
<div class="row text-center">
<ul class="simplefilter simplefilter_<?php echo $pf_gallery_id; ?>">
<?php
$all_category_val = $all_category[0]; ?>
<li class="active" data-filter="all"><?php _e($all_category_val, PFG_TXTDM); ?></li>
<?php
if(is_array($all_selected_filters) && count($all_selected_filters)) {
$all_selected_filters = array_unique($all_selected_filters ); // remove same key
foreach ($all_selected_filters as $filter_key) {
?>
<li data-filter="<?php echo $filter_key ?>"><?php _e($all_category[$filter_key], PFG_TXTDM); ?></li>
<?php
}
}?>
</ul>
</div>
<div id="filter_gallery_<?php echo $pf_gallery_id; ?>" class="row filtr-container filters-div">
<?php
if(isset($pf_gallery_settings['image-ids']) && count($pf_gallery_settings['image-ids']) > 0) {
$count = 0;
if($thumbnail_order == "DESC") {
$pf_gallery_settings['image-ids'] = array_reverse($pf_gallery_settings['image-ids']);
}
if($thumbnail_order == "RANDOM") {
shuffle($pf_gallery_settings['image-ids']);
}
$no = 1;
foreach($pf_gallery_settings['image-ids'] as $attachment_id) {
//$attachment_id;
$image_link_url = $pf_gallery_settings['image-link'][$count];
$image_type = $pf_gallery_settings['slide-type'][$attachment_id];
$thumb = wp_get_attachment_image_src($attachment_id, 'thumb', true);
$thumbnail = wp_get_attachment_image_src($attachment_id, 'thumbnail', true);
$medium = wp_get_attachment_image_src($attachment_id, 'medium', true);
$large = wp_get_attachment_image_src($attachment_id, 'large', true);
$full = wp_get_attachment_image_src($attachment_id, 'full', true);
$postthumbnail = wp_get_attachment_image_src($attachment_id, 'post-thumbnail', true);
$attachment_details = get_post( $attachment_id );
$href = get_permalink( $attachment_details->ID );
$src = $attachment_details->guid;
$title = $attachment_details->post_title;
$description = $attachment_details->post_content;
//set thumbnail size
if($gal_thumb_size == "thumbnail") { $thumbnail_url = $thumbnail[0]; }
if($gal_thumb_size == "medium") { $thumbnail_url = $medium[0]; }
if($gal_thumb_size == "large") { $thumbnail_url = $large[0]; }
if($gal_thumb_size == "full") { $thumbnail_url = $full[0]; }
// seach attachment id in to $filters and get all filter ids
//$pfg_filters = $pf_gallery_settings['filters'];
foreach ($filters as $pfg_filters_key => $pfg_filters_values) {
}
if (array_key_exists($attachment_id, $filters)) {
$filter_key_array = $filters[$attachment_id];
$prefix = $filter_keys = '';
if(count($filter_key_array) > 1) {
foreach ($filter_key_array as $filter_key => $filter_value) {
$filter_keys .= $prefix . $filter_value;
$prefix = ', ';
}
} else {
$filter_keys = $filter_key_array[0];
}
}
?>
<?php if($image_link_url) {
if($image_type == 'image') {
?>
<a href="<?php echo $image_link_url; ?>" title="<?php echo $title; ?>" target="<?php echo $url_target; ?>">
<div data-category="<?php echo $filter_keys; ?>" data-sort="<?php echo $title; ?>" class="filtr-item filtr_item_<?php echo $pf_gallery_id; ?> single_one <?php echo $col_large_desktops; ?> <?php echo $col_desktops; ?> <?php echo $col_tablets; ?> <?php echo $col_phones; ?>">
<img class="thumbnail thumbnail_<?php echo $pf_gallery_id; ?> pfg-img pfg_img_<?php echo $pf_gallery_id; ?> img-responsive <?php echo $image_hover_effect; ?>" src="<?php echo $thumbnail_url; ?>" alt="<?php echo $title; ?>">
<?php if($image_numbering) {?>
<div class="item-position item_position_<?php echo $pf_gallery_id; ?>"><?php echo $no; ?></div>
<?php } ?>
<?php if($title_thumb == "show") {?>
<span class="item-desc item_desc_<?php echo $pf_gallery_id; ?>"><?php _e($title, PFG_TXTDM); ?></span>
<?php } ?>
</div>
</a>
<?php
}// image with link
if($image_type == 'video') {
?>
<a class="bla-2" href="<?php echo $image_link_url; ?>" title="<?php echo $title; ?>" target="<?php echo $url_target; ?>">
<div data-category="<?php echo $filter_keys; ?>" data-sort="<?php echo $title; ?>" class="filtr-item filtr_item_<?php echo $pf_gallery_id; ?> single_one <?php echo $col_large_desktops; ?> <?php echo $col_desktops; ?> <?php echo $col_tablets; ?> <?php echo $col_phones; ?>">
<span class="snipv12">
<img class="thumbnail thumbnail_<?php echo $pf_gallery_id; ?> pfg-img pfg_img_<?php echo $pf_gallery_id; ?> img-responsive <?php echo $image_hover_effect; ?>" src="<?php echo $thumbnail_url; ?>" alt="<?php echo $title; ?>">
<?php if (!strpos($image_link_url, 'vimeo')) {
?>
<i class=""><img src="<?php echo PFG_PLUGIN_URL ?>/img/p-youtube.png"></i>
<?php
} else {
?>
<i class="fa fa-youtube-play"></i>
<?php
}
?>
</span>
</div>
</a>
<?php
} // image with video
} else { ?>
<a href="<?php echo $full[0]; ?>" data-toggle="lightbox" data-gallery="multiimages" data-title="<?php _e($title, PFG_TXTDM); ?>">
<div data-category="<?php echo $filter_keys; ?>" data-sort="<?php echo $title; ?>" class="filtr-item filtr_item_<?php echo $pf_gallery_id; ?> single_one <?php echo $col_large_desktops; ?> <?php echo $col_desktops; ?> <?php echo $col_tablets; ?> <?php echo $col_phones; ?>">
<img class="thumbnail thumbnail_<?php echo $pf_gallery_id; ?> pfg-img pfg_img_<?php echo $pf_gallery_id; ?> img-responsive <?php echo $image_hover_effect; ?>" src="<?php echo $thumbnail_url; ?>" alt="<?php echo $title; ?>">
<?php if($image_numbering) {?>
<div class="item-position item_position_<?php echo $pf_gallery_id; ?>"><?php echo $no; ?></div>
<?php } ?>
<?php if($title_thumb == "show") {?>
<span class="item-desc item_desc_<?php echo $pf_gallery_id; ?>"><?php _e($title, PFG_TXTDM); ?></span>
<?php } ?>
</div>
</a>
<?php } ?>
<?php
$no++;
$count++;
}// end of attachment foreach
} else {
_e('Sorry! No image gallery found ', PFG_TXTDM);
echo ":[PFG id=$post_id]";
} // end of if esle of images avaialble check into imager
?>
</div>