Partage-it.com : changer l'apparence des galeries

functions-gallery.php

<?php
/* Custom gallery output */
function customGalleryOutput($output = "", $attr) {
	// This part is globally copied from the WordPress gallery function
	$return = $output; // fallback
	$post = get_post();

	if ( ! empty( $attr['ids'] ) ) {
		// 'ids' is explicitly ordered, unless you specify otherwise.
		if ( empty( $attr['orderby'] ) )
			$attr['orderby'] = 'post__in';
		$attr['include'] = $attr['ids'];
	}

	// We're trusting author input, so let's at least make sure it looks like a valid orderby statement
	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 ? $post->ID : 0,
		//'itemtag'    => $html5 ? 'figure'     : 'dl',
		//'icontag'    => $html5 ? 'div'        : 'dt',
		//'captiontag' => $html5 ? 'figcaption' : 'dd',
		//'columns'    => 3,
		'size'       => 'thumbnail',
		'include'    => '',
		'exclude'    => '',
		//'link'       => '',
		// This parameter is added to keep the default behaviour:
		'usedefault' => 0
	), $attr, 'gallery'));

	if ($usedefault) return $output;

	$id = intval($id);
	if ( 'RAND' == $order )
		$orderby = 'none';

	if ( !empty($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];
		}
	} elseif ( !empty($exclude) ) {
		$attachments = get_children( array('post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
	} else {
		$attachments = get_children( array('post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby) );
	}

	if (empty($attachments))
		return '';

	// This is the part to customize. Here we use Twitter Bootstrap to display images.
	$return = '<div class="row">';

	foreach ($attachments as $attachment) {
		$return .= '<div class="col-lg-4 col-md-6 col-sm-6 col-xs-12">';
		$return .= wp_get_attachment_image($attachment->ID, $size);
		$return .= '</div>';
	}

	$return .= '</div>';
	$return .= '<div class="clearfix"></div>';

	return $return;
}

add_filter("post_gallery", "customGalleryOutput", 10, 4);
?>