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January 8, 2018 21:13
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WORDPRESS - Edit Wordpress's Built-in Gallery
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| add_filter('post_gallery', 'my_post_gallery', 10, 2); | |
| function my_post_gallery($output, $attr) { | |
| global $post; | |
| if (isset($attr['orderby'])) { | |
| $attr['orderby'] = sanitize_sql_orderby($attr['orderby']); | |
| if (!$attr['orderby']) | |
| unset($attr['orderby']); | |
| } | |
| extract(shortcode_atts(array( | |
| 'order' => 'ASC', | |
| 'orderby' => 'menu_order ID', | |
| 'id' => $post->ID, | |
| 'itemtag' => 'dl', | |
| 'icontag' => 'dt', | |
| 'captiontag' => 'dd', | |
| 'columns' => 3, | |
| 'size' => 'thumbnail', | |
| 'include' => '', | |
| 'exclude' => '' | |
| ), $attr)); | |
| $id = intval($id); | |
| if ('RAND' == $order) $orderby = 'none'; | |
| if (!empty($include)) { | |
| $include = preg_replace('/[^0-9,]+/', '', $include); | |
| $_attachments = get_posts(array('include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby)); | |
| $attachments = array(); | |
| foreach ($_attachments as $key => $val) { | |
| $attachments[$val->ID] = $_attachments[$key]; | |
| } | |
| } | |
| if (empty($attachments)) return ''; | |
| // Here's your actual output, you may customize it to your need | |
| $output = "<div class=\"slideshow-wrapper\">\n"; | |
| $output .= "<div class=\"preloader\"></div>\n"; | |
| $output .= "<ul data-orbit>\n"; | |
| // Now you loop through each attachment | |
| foreach ($attachments as $id => $attachment) { | |
| // Fetch the thumbnail (or full image, it's up to you) | |
| // $img = wp_get_attachment_image_src($id, 'medium'); | |
| // $img = wp_get_attachment_image_src($id, 'my-custom-image-size'); | |
| $img = wp_get_attachment_image_src($id, 'full'); | |
| $output .= "<li>\n"; | |
| $output .= "<img src=\"{$img[0]}\" width=\"{$img[1]}\" height=\"{$img[2]}\" alt=\"\" />\n"; | |
| $output .= "</li>\n"; | |
| } | |
| $output .= "</ul>\n"; | |
| $output .= "</div>\n"; | |
| return $output; | |
| } |
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