Wordpress Gallery PHP

wordpress_gallery.php

<?php
// cf http://stackoverflow.com/questions/14585538/customise-the-wordpress-gallery-html-layout
/******    REWRITE THE GALLERIE FUNCTION FROM WORDPRESS   **********/

add_shortcode('gallery', 'my_gallery_shortcode');  

function my_gallery_shortcode($attr) {
  $counter=0;
//var_dump("Rewrite the shortcode gallery");

    $post = get_post();

static $instance = 0;
$instance++;


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



// Allow plugins/themes to override the default gallery template.
$output = apply_filters('post_gallery', '', $attr);
if ( $output != '' )
    return $output;

// 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(

/******    CHANGE TO FULL SIZE TO GET THE CORRECT INFORMATION **********/
    'order'      => 'ASC',
    'orderby'    => 'menu_order ID',
    'id'         => $post->ID,
    'itemtag'    => 'dl',
    'icontag'    => 'dt',
    'captiontag' => 'dd',
    'columns'    => 3,
    'size'       => 'Full size',
    'include'    => '',
    'exclude'    => ''    
), $attr));

/***********************************************************************/

$id = intval($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 '';

if ( is_feed() ) {
    $output = "\n";
    foreach ( $attachments as $att_id => $attachment )
        $output .= wp_get_attachment_link($att_id, $size, true) . "\n";
    return $output;
}

$itemtag    = tag_escape($itemtag);
$captiontag = tag_escape($captiontag);
$icontag    = tag_escape($icontag);
$valid_tags = wp_kses_allowed_html( 'post' );
if ( ! isset( $valid_tags[ $itemtag ] ) )
    $itemtag = 'dl';
if ( ! isset( $valid_tags[ $captiontag ] ) )
    $captiontag = 'dd';
if ( ! isset( $valid_tags[ $icontag ] ) )
    $icontag = 'dt';

$columns = intval($columns);
$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
$float = is_rtl() ? 'right' : 'left';

$selector = "gallery-{$instance}";
$gallery_div ="<div pictures-content>";
$gallery_style ="";

$output = apply_filters( 'gallery_style', "\n\t\t" . $gallery_div );

$i = 0;
$count=0;
foreach ( $attachments as $id => $attachment ) {

$test = $attachments[$id];
$link=$test->guid;
    $nocsript="";
    if ($count==0){$nocsript ="<noscript><img src='$link'</noscript>";$sentence ="<div data-src='$link'></div>";}
    if ($count==1){$sentence ="<div data-src='$link' data-media='(min-width: 400px)'></div>";}
    if ($count==2){$sentence ="<div data-src='$link' data-media='(min-width: 800px)'></div>";}
    if ($count==3){$sentence ="<div data-src='$link' data-media='(min-width: 1000px)'></div>";}
    if($nocsript==""){ $output .= "$sentence";} else { $output .= $nocsript."$sentence";}
    $count++;
}
$output .= "</div>\n";
return $output;
}