Remove [gallery] shortcode and print html

When create new gallery from “Create Gallery” in Media into a plugin I need remove the shortcode that it print after loading and selecting photo action in text editor with a normal html output, and I need to customize this output.
I tried with this:

remove_shortcode(‘gallery’);

and this:

add_filter( ‘post_gallery’, ‘my_post_gallery’, 99, 2 );
function my_post_gallery( $output, $attr) {
global $post, $wp_locale;

static $instance = 0;
$instance++;

// 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->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];
}
} elseif ( !empty($exclude) ) {
$exclude = preg_replace( ‘/[^0-9,]+/’, ”, $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);
$columns = intval($columns);
$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
$float = is_rtl() ? ‘right’ : ‘left’;

$selector = “gallery-{$instance}”;

$output = apply_filters(‘gallery_style’, ”
<style type=’text/css’>
#{$selector} {
margin: auto;
}
#{$selector} .gallery-item {
float: {$float};
margin-top: 10px;
text-align: center;
width: {$itemwidth}%; }
#{$selector} img {
border: 2px solid #cfcfcf;
}
#{$selector} .gallery-caption {
margin-left: 0;
}
</style>
<!– see gallery_shortcode() in wp-includes/media.php –>
<div id=’$selector’ class=’gallery galleryid-{$id}’>”);

$i = 0;
foreach ( $attachments as $id => $attachment ) {
$link = isset($attr[‘link’]) && ‘file’ == $attr[‘link’] ? wp_get_attachment_link($id, $size, false, false) : wp_get_attachment_link($id, $size, true, false);

$output .= “<{$itemtag} class=’gallery-item’>”;
$output .= ”
<{$icontag} class=’gallery-icon’>
$link
</{$icontag}>”;
if ( $captiontag && trim($attachment->post_excerpt) ) {
$output .= ”
<{$captiontag} class=’gallery-caption’>
” . wptexturize($attachment->post_excerpt) . ”
</{$captiontag}>”;
}
$output .= “</{$itemtag}>”;
if ( $columns > 0 && ++$i % $columns == 0 )
$output .= ‘<br style=”clear: both” />’;
}

$output .= ”
<br style=’clear: both;’ />
</div>n”;

return $output;
}

but this solution not working for me…

Read more here:: Remove shortcode and print html

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