PHP nggGallery类代码示例

 function getData($number)
 {
     global $wpdb;
     $data = array();
     $pictures = $wpdb->get_results("SELECT a.*, b.path FROM " . $wpdb->base_prefix . "ngg_pictures AS a LEFT JOIN " . $wpdb->base_prefix . "ngg_gallery AS b ON a.galleryid = b.gid WHERE a.galleryid = '" . intval($this->_data->get('nggsourcegallery', 0)) . "'");
     $i = 0;
     if (class_exists('nggGallery') && !class_exists('C_Component_Registry')) {
         // legacy
         foreach ($pictures as $p) {
             $data[$i]['alt_text'] = $p->alttext;
             $data[$i]['image'] = nggGallery::get_image_url($p->pid, $p->path, $p->filename);
             $data[$i]['thumbnail'] = nggGallery::get_thumbnail_url($p->pid, $p->path, $p->filename);
             $i++;
         }
     } else {
         $storage = C_Component_Registry::get_instance()->get_utility('I_Gallery_Storage');
         foreach ($pictures as $p) {
             $data[$i]['alt_text'] = $p->alttext;
             $data[$i]['image'] = $storage->get_image_url($p);
             $data[$i]['thumbnail'] = $storage->get_thumbnail_url($p);
             $i++;
         }
     }
     return $data;
 }

function nextgengallery_showfirstpic($galleryid, $class = '')
{
    global $wpdb;
    global $ngg_options;
    if (!$galleryid) {
        return;
    }
    if (!$wpdb->nggallery) {
        return;
    }
    if (!$ngg_options) {
        $ngg_options = get_option('ngg_options');
    }
    $picturelist = $wpdb->get_results("SELECT t.*, tt.* FROM {$wpdb->nggallery} AS t INNER JOIN {$wpdb->nggpictures} AS tt ON t.gid = tt.galleryid WHERE t.gid = '{$galleryid}' AND tt.exclude != 1 ORDER BY tt.{$ngg_options['galSort']} {$ngg_options['galSortDir']} LIMIT 1");
    if ($class) {
        $myclass = ' class="' . $class . '" ';
    }
    if ($picturelist) {
        $pid = $picturelist[0]->pid;
        if (is_callable(array('nggGallery', 'get_thumbnail_url'))) {
            // new NextGen 1.0+
            $out = '<img alt="' . __('property photo') . '" src="' . nggGallery::get_thumbnail_url($pid) . '" ' . $myclass . ' />';
        } else {
            // backwards compatibility - NextGen below 1.0
            $out = '<img alt="' . __('property photo') . '" src="' . nggallery::get_thumbnail_url($pid) . '" ' . $myclass . ' />';
        }
        return $out;
    }
}

 /**
  * Save/Load options and add a new hook for plugins
  * 
  * @return void
  */
 function processor()
 {
     global $ngg, $nggRewrite;
     $old_state = $ngg->options['usePermalinks'];
     if (isset($_POST['irDetect'])) {
         check_admin_referer('ngg_settings');
         $ngg->options['irURL'] = ngg_search_imagerotator();
         update_option('ngg_options', $ngg->options);
     }
     if (isset($_POST['updateoption'])) {
         check_admin_referer('ngg_settings');
         // get the hidden option fields, taken from WP core
         if ($_POST['page_options']) {
             $options = explode(',', stripslashes($_POST['page_options']));
         }
         if ($options) {
             foreach ($options as $option) {
                 $option = trim($option);
                 $value = isset($_POST[$option]) ? trim($_POST[$option]) : false;
                 //		$value = sanitize_option($option, $value); // This does stripslashes on those that need it
                 $ngg->options[$option] = $value;
             }
             // the path should always end with a slash
             $ngg->options['gallerypath'] = trailingslashit($ngg->options['gallerypath']);
             $ngg->options['imageMagickDir'] = trailingslashit($ngg->options['imageMagickDir']);
             // the custom sortorder must be ascending
             $ngg->options['galSortDir'] = $ngg->options['galSort'] == 'sortorder' ? 'ASC' : $ngg->options['galSortDir'];
         }
         // Save options
         update_option('ngg_options', $ngg->options);
         // Flush Rewrite rules
         if ($old_state != $ngg->options['usePermalinks']) {
             $nggRewrite->flush();
         }
         nggGallery::show_message(__('Update Successfully', 'nggallery'));
     }
     if (isset($_POST['clearcache'])) {
         check_admin_referer('ngg_settings');
         $path = WINABSPATH . $ngg->options['gallerypath'] . 'cache/';
         if (is_dir($path)) {
             if ($handle = opendir($path)) {
                 while (false !== ($file = readdir($handle))) {
                     if ($file != '.' && $file != '..') {
                         @unlink($path . '/' . $file);
                     }
                 }
                 closedir($handle);
             }
         }
         nggGallery::show_message(__('Cache cleared', 'nggallery'));
     }
     if (isset($_POST['createslugs'])) {
         check_admin_referer('ngg_settings');
         include_once dirname(__FILE__) . '/upgrade.php';
         ngg_rebuild_unique_slugs::start_rebuild();
     }
     do_action('ngg_update_options_page');
 }

function createNewThumb()
{
    global $ngg;
    // check for correct capability
    if (!is_user_logged_in()) {
        die('-1');
    }
    // check for correct NextGEN capability
    if (!current_user_can('NextGEN Manage gallery')) {
        die('-1');
    }
    include_once nggGallery::graphic_library();
    $id = (int) $_POST['id'];
    $picture = nggdb::find_image($id);
    $x = round($_POST['x'] * $_POST['rr'], 0);
    $y = round($_POST['y'] * $_POST['rr'], 0);
    $w = round($_POST['w'] * $_POST['rr'], 0);
    $h = round($_POST['h'] * $_POST['rr'], 0);
    $thumb = new ngg_Thumbnail($picture->imagePath, TRUE);
    $thumb->crop($x, $y, $w, $h);
    // Note : the routine is a bit different to create_thumbnail(), due to rounding it's resized in the other way
    if ($ngg->options['thumbfix']) {
        // check for portrait format
        if ($thumb->currentDimensions['height'] > $thumb->currentDimensions['width']) {
            // first resize to the wanted height, here changed to create_thumbnail()
            $thumb->resize(0, $ngg->options['thumbheight']);
            // get optimal y startpos
            $ypos = ($thumb->currentDimensions['height'] - $ngg->options['thumbheight']) / 2;
            $thumb->crop(0, $ypos, $ngg->options['thumbwidth'], $ngg->options['thumbheight']);
        } else {
            // first resize to the wanted width, here changed to create_thumbnail()
            $thumb->resize($ngg->options['thumbwidth'], 0);
            //
            // get optimal x startpos
            $xpos = ($thumb->currentDimensions['width'] - $ngg->options['thumbwidth']) / 2;
            $thumb->crop($xpos, 0, $ngg->options['thumbwidth'], $ngg->options['thumbheight']);
        }
        //this create a thumbnail but keep ratio settings
    } else {
        $thumb->resize($ngg->options['thumbwidth'], $ngg->options['thumbheight']);
    }
    if ($thumb->save($picture->thumbPath, 100)) {
        //read the new sizes
        $new_size = @getimagesize($picture->thumbPath);
        $size['width'] = $new_size[0];
        $size['height'] = $new_size[1];
        // add them to the database
        nggdb::update_image_meta($picture->pid, array('thumbnail' => $size));
        echo "OK";
    } else {
        header('HTTP/1.1 500 Internal Server Error');
        echo "KO";
    }
    exit;
}

 public function instantiate()
 {
     $this->options = nggGallery::get_option('ngg_options');
     $this->overwriteNggConf();
     add_filter('ngg_show_gallery_content', array(&$this, "ngg_show_gallery_content"));
     add_filter('ngg_show_imagebrowser_content', array(&$this, "ngg_show_imagebrowser_content"));
     add_filter('ngg_show_album_content', array(&$this, "ngg_show_album_content"));
     add_filter('ngg_show_slideshow_content', array(&$this, "ngg_show_slideshow_content"), 10, 4);
     add_filter('ngg_show_slideshow_widget_content', array(&$this, "ngg_show_slideshow_widget_content"), 10, 4);
     add_filter('ngg_slideshow_size', array(&$this, "ngg_slideshow_size"));
     add_filter('wptouch_user_agents', array(&$this, "wptouch_user_agents"));
 }

 /**
  * Check the Quota under WPMU. Only needed for this case
  * 
  * @class nggWPMU
  * @return bool $result
  */
 function check_quota()
 {
     if (get_site_option('upload_space_check_disabled')) {
         return false;
     }
     if (is_multisite() && nggWPMU::wpmu_enable_function('wpmuQuotaCheck')) {
         if ($error = upload_is_user_over_quota(false)) {
             nggGallery::show_error(__('Sorry, you have used your space allocation. Please delete some files to upload more files.', 'nggallery'));
             return true;
         }
     }
     return false;
 }

 /**
  * Get the XML <rss> node corresponding to a gallery
  *
  * @param $gallery (object) The gallery to include in RSS
  * @param $prev_gallery (object) The previous gallery to link in RSS (null if none)
  * @param $next_gallery (object) The next gallery to link in RSS (null if none)
  */
 function get_gallery_mrss($gallery, $prev_gallery = null, $next_gallery = null)
 {
     $ngg_options = nggGallery::get_option('ngg_options');
     //Set sort order value, if not used (upgrade issue)
     $ngg_options['galSort'] = $ngg_options['galSort'] ? $ngg_options['galSort'] : 'pid';
     $ngg_options['galSortDir'] = $ngg_options['galSortDir'] == 'DESC' ? 'DESC' : 'ASC';
     $title = stripslashes(M_I18N::translate($gallery->title));
     $description = stripslashes(M_I18N::translate($gallery->galdesc));
     $link = nggMediaRss::get_permalink($gallery->pageid);
     $prev_link = $prev_gallery != null ? nggMediaRss::get_gallery_mrss_url($prev_gallery->gid, true) : '';
     $next_link = $next_gallery != null ? nggMediaRss::get_gallery_mrss_url($next_gallery->gid, true) : '';
     $images = nggdb::get_gallery($gallery->gid, $ngg_options['galSort'], $ngg_options['galSortDir']);
     return nggMediaRss::get_mrss_root_node($title, $description, $link, $prev_link, $next_link, $images);
 }

function createNewThumb()
{
    // check for correct capability
    if (!is_user_logged_in()) {
        die('-1');
    }
    // check for correct NextGEN capability
    if (!current_user_can('NextGEN Manage gallery')) {
        die('-1');
    }
    require_once dirname(dirname(__FILE__)) . '/ngg-config.php';
    include_once nggGallery::graphic_library();
    $ngg_options = get_option('ngg_options');
    $id = (int) $_POST['id'];
    $picture = nggdb::find_image($id);
    $x = round($_POST['x'] * $_POST['rr'], 0);
    $y = round($_POST['y'] * $_POST['rr'], 0);
    $w = round($_POST['w'] * $_POST['rr'], 0);
    $h = round($_POST['h'] * $_POST['rr'], 0);
    $thumb = new ngg_Thumbnail($picture->imagePath, TRUE);
    $thumb->crop($x, $y, $w, $h);
    if ($ngg_options['thumbfix']) {
        if ($thumb->currentDimensions['height'] > $thumb->currentDimensions['width']) {
            $thumb->resize($ngg_options['thumbwidth'], 0);
        } else {
            $thumb->resize(0, $ngg_options['thumbheight']);
        }
    } else {
        $thumb->resize($ngg_options['thumbwidth'], $ngg_options['thumbheight'], $ngg_options['thumbResampleMode']);
    }
    if ($thumb->save($picture->thumbPath, 100)) {
        //read the new sizes
        $new_size = @getimagesize($picture->thumbPath);
        $size['width'] = $new_size[0];
        $size['height'] = $new_size[1];
        // add them to the database
        nggdb::update_image_meta($picture->pid, array('thumbnail' => $size));
        echo "OK";
    } else {
        header('HTTP/1.1 500 Internal Server Error');
        echo "KO";
    }
    exit;
}

 function widget($args, $instance)
 {
     extract($args);
     $ngg_options = nggGallery::get_option('ngg_options');
     $title = apply_filters('widget_title', empty($instance['title']) ? ' ' : $instance['title'], $instance, $this->id_base);
     $show_global_mrss = $instance['show_global_mrss'];
     $show_icon = $instance['show_icon'];
     $mrss_text = stripslashes($instance['mrss_text']);
     $mrss_title = strip_tags(stripslashes($instance['mrss_title']));
     echo $before_widget;
     echo $before_title . $title . $after_title;
     echo "<ul class='ngg-media-rss-widget'>\n";
     if ($show_global_mrss) {
         echo "  <li>";
         echo $this->get_mrss_link(nggMediaRss::get_mrss_url(), $show_icon, stripslashes($mrss_title), stripslashes($mrss_text), $ngg_options['usePicLens']);
         echo "</li>\n";
     }
     echo "</ul>\n";
     echo $after_widget;
 }

/**
 * @author Alex Rabe
 * @copyright 2008-2011
 */
function nggallery_sortorder($galleryID = 0)
{
    global $wpdb, $ngg, $nggdb;
    if ($galleryID == 0) {
        return;
    }
    $galleryID = (int) $galleryID;
    if (isset($_POST['updateSortorder'])) {
        check_admin_referer('ngg_updatesortorder');
        // get variable new sortorder
        parse_str($_POST['sortorder']);
        if (is_array($sortArray)) {
            $neworder = array();
            foreach ($sortArray as $pid) {
                $pid = substr($pid, 4);
                // get id from "pid-x"
                $neworder[] = (int) $pid;
            }
            $sortindex = 1;
            foreach ($neworder as $pic_id) {
                $wpdb->query("UPDATE {$wpdb->nggpictures} SET sortorder = '{$sortindex}' WHERE pid = {$pic_id}");
                $sortindex++;
            }
            do_action('ngg_gallery_sort', $galleryID);
            nggGallery::show_message(__('Sort order changed', 'nggallery'));
        }
    }
    // look for presort args
    $presort = isset($_GET['presort']) ? $_GET['presort'] : false;
    $dir = isset($_GET['dir']) && $_GET['dir'] == 'DESC' ? 'DESC' : 'ASC';
    $sortitems = array('pid', 'filename', 'alttext', 'imagedate');
    // ensure that nobody added some evil sorting :-)
    if (in_array($presort, $sortitems)) {
        $picturelist = $nggdb->get_gallery($galleryID, $presort, $dir, false);
    } else {
        $picturelist = $nggdb->get_gallery($galleryID, 'sortorder', $dir, false);
    }
    //this is the url without any presort variable
    $clean_url = 'admin.php?page=nggallery-manage-gallery&mode=sort&gid=' . $galleryID;
    //if we go back , then the mode should be edit
    $back_url = 'admin.php?page=nggallery-manage-gallery&mode=edit&gid=' . $galleryID;
    // In the case somebody presort, then we take this url
    if (isset($_GET['dir']) || isset($_GET['presort'])) {
        $base_url = $_SERVER['REQUEST_URI'];
    } else {
        $base_url = $clean_url;
    }
    ?>
	<script type='text/javascript' src='<?php 
    echo NGGALLERY_URLPATH;
    ?>
admin/js/sorter.js'></script>
	<div class="wrap">
		<form id="sortGallery" method="POST" action="<?php 
    echo $clean_url;
    ?>
" onsubmit="saveImageOrder()" accept-charset="utf-8">
			<h2><?php 
    _e('Sort Gallery', 'nggallery');
    ?>
</h2>
			<div class="tablenav">
				<div class="alignleft actions">
					<?php 
    wp_nonce_field('ngg_updatesortorder');
    ?>
					<input class="button-primary action" type="submit" name="updateSortorder" onclick="saveImageOrder()" value="<?php 
    _e('Update Sort Order', 'nggallery');
    ?>
" />
				</div>
				<div class="alignright actions">
					<a href="<?php 
    echo esc_url($back_url);
    ?>
" class="button"><?php 
    _e('Back to gallery', 'nggallery');
    ?>
</a>
				</div>
			</div>	
			<input name="sortorder" type="hidden" />
			<ul class="subsubsub">
				<li><?php 
    _e('Presort', 'nggallery');
    ?>
 :</li>
				<li><a href="<?php 
    echo esc_attr(remove_query_arg('presort', $base_url));
    ?>
" <?php 
    if ($presort == '') {
        echo 'class="current"';
    }
    ?>
><?php 
//.........这里部分代码省略.........

 function widget($args, $instance)
 {
     extract($args);
     $title = apply_filters('widget_title', empty($instance['title']) ? ' ' : $instance['title'], $instance, $this->id_base);
     global $wpdb;
     $items = $instance['items'];
     $exclude = $instance['exclude'];
     $list = $instance['list'];
     $webslice = $instance['webslice'];
     $count = $wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->nggpictures} WHERE exclude != 1 ");
     if ($count < $instance['items']) {
         $instance['items'] = $count;
     }
     $exclude_list = '';
     // THX to Kay Germer for the idea & addon code
     if (!empty($list) && $exclude != 'all') {
         $list = explode(',', $list);
         // Prepare for SQL
         $list = "'" . implode("', '", $list) . "'";
         if ($exclude == 'denied') {
             $exclude_list = "AND NOT (t.gid IN ({$list}))";
         }
         if ($exclude == 'allow') {
             $exclude_list = "AND t.gid IN ({$list})";
         }
         // Limit the output to the current author, can be used on author template pages
         if ($exclude == 'user_id') {
             $exclude_list = "AND t.author IN ({$list})";
         }
     }
     if ($instance['type'] == 'random') {
         $imageList = $wpdb->get_results("SELECT t.*, tt.* FROM {$wpdb->nggallery} AS t INNER JOIN {$wpdb->nggpictures} AS tt ON t.gid = tt.galleryid WHERE tt.exclude != 1 {$exclude_list} ORDER by rand() limit {$items}");
     } else {
         $imageList = $wpdb->get_results("SELECT t.*, tt.* FROM {$wpdb->nggallery} AS t INNER JOIN {$wpdb->nggpictures} AS tt ON t.gid = tt.galleryid WHERE tt.exclude != 1 {$exclude_list} ORDER by pid DESC limit 0,{$items}");
     }
     // IE8 webslice support if needed
     if ($webslice) {
         $before_widget .= "\n" . '<div class="hslice" id="ngg-webslice" >' . "\n";
         //the headline needs to have the class enty-title
         $before_title = str_replace('class="', 'class="entry-title ', $before_title);
         $after_widget = '</div>' . "\n" . $after_widget;
     }
     echo $before_widget . $before_title . $title . $after_title;
     echo "\n" . '<div class="ngg-widget entry-content">' . "\n";
     if (is_array($imageList)) {
         foreach ($imageList as $image) {
             // get the URL constructor
             $image = new nggImage($image);
             // get the effect code
             $thumbcode = $image->get_thumbcode($widget_id);
             // enable i18n support for alttext and description
             $alttext = htmlspecialchars(stripslashes(nggGallery::i18n($image->alttext, 'pic_' . $image->pid . '_alttext')));
             $description = htmlspecialchars(stripslashes(nggGallery::i18n($image->description, 'pic_' . $image->pid . '_description')));
             //TODO:For mixed portrait/landscape it's better to use only the height setting, if widht is 0 or vice versa
             $out = '<a href="' . $image->imageURL . '" title="' . $description . '" ' . $thumbcode . '>';
             // Typo fix for the next updates (happend until 1.0.2)
             $instance['show'] = $instance['show'] == 'orginal' ? 'original' : $instance['show'];
             if ($instance['show'] == 'original') {
                 $out .= '<img src="' . trailingslashit(home_url()) . 'index.php?callback=image&amp;pid=' . $image->pid . '&amp;width=' . $instance['width'] . '&amp;height=' . $instance['height'] . '" title="' . $alttext . '" alt="' . $alttext . '" />';
             } else {
                 $out .= '<img src="' . $image->thumbURL . '" width="' . $instance['width'] . '" height="' . $instance['height'] . '" title="' . $alttext . '" alt="' . $alttext . '" />';
             }
             echo $out . '</a>' . "\n";
         }
     }
     echo '</div>' . "\n";
     echo $after_widget;
 }

 function load_styles()
 {
     // check first the theme folder for a nggallery.css
     if (nggGallery::get_theme_css_file()) {
         wp_enqueue_style('NextGEN', nggGallery::get_theme_css_file(), false, '1.0.0', 'screen');
     } else {
         if ($this->options['activateCSS']) {
             wp_enqueue_style('NextGEN', NGGALLERY_URLPATH . 'css/' . $this->options['CSSfile'], false, '1.0.0', 'screen');
         }
     }
     //	activate Thickbox
     if ($this->options['thumbEffect'] == 'thickbox') {
         wp_enqueue_style('thickbox');
     }
     // activate modified Shutter reloaded if not use the Shutter plugin
     if ($this->options['thumbEffect'] == 'shutter' && !function_exists('srel_makeshutter')) {
         wp_enqueue_style('shutter', NGGALLERY_URLPATH . 'shutter/shutter-reloaded.css', false, '1.3.0', 'screen');
     }
 }

 /**
  * Publish a new post with the shortcode from the selected image
  * 
  * @since 1.7.0
  * @return void
  */
 function publish_post()
 {
     check_admin_referer('publish-post');
     // Create a WP page
     global $user_ID, $ngg;
     $ngg->options['publish_width'] = (int) $_POST['width'];
     $ngg->options['publish_height'] = (int) $_POST['height'];
     $ngg->options['publish_align'] = $_POST['align'];
     $align = $ngg->options['publish_align'] == 'none' ? '' : 'float=' . $ngg->options['publish_align'];
     //save the new values for the next operation
     update_option('ngg_options', $ngg->options);
     $post['post_type'] = 'post';
     $post['post_content'] = '[singlepic id=' . intval($_POST['pid']) . ' w=' . $ngg->options['publish_width'] . ' h=' . $ngg->options['publish_height'] . ' ' . $align . ']';
     $post['post_author'] = $user_ID;
     $post['post_status'] = isset($_POST['publish']) ? 'publish' : 'draft';
     $post['post_title'] = $_POST['post_title'];
     $post = apply_filters('ngg_add_new_post', $post, $_POST['pid']);
     $post_id = wp_insert_post($post);
     if ($post_id != 0) {
         nggGallery::show_message(__('Published a new post', 'nggallery'));
     }
 }

 /**
  * Output HTML for the post thumbnail meta-box.
  *
  * @see wp-admin\includes\post.php
  * @param int $thumbnail_id ID of the image used for thumbnail
  * @return string html output
  */
 function _wp_post_thumbnail_html($thumbnail_id = NULL)
 {
     global $_wp_additional_image_sizes, $post_ID;
     $set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__('Set featured image') . '" href="' . esc_url(get_upload_iframe_src('image')) . '" id="set-post-thumbnail" class="thickbox">%s</a></p>';
     $content = sprintf($set_thumbnail_link, esc_html__('Set featured image'));
     $image = nggdb::find_image($thumbnail_id);
     $img_src = false;
     // get the options
     $ngg_options = nggGallery::get_option('ngg_options');
     if ($image) {
         if (is_array($_wp_additional_image_sizes) && isset($_wp_additional_image_sizes['post-thumbnail'])) {
             // Use post thumbnail settings if defined
             $width = absint($_wp_additional_image_sizes['post-thumbnail']['width']);
             $height = absint($_wp_additional_image_sizes['post-thumbnail']['height']);
             $mode = $_wp_additional_image_sizes['post-thumbnail']['crop'] ? 'crop' : '';
             // check fo cached picture
             $img_src = $image->cached_singlepic_file($width, $height, $mode);
         }
         // if we didn't use a cached image then we take the on-the-fly mode
         if ($img_src == false) {
             $img_src = trailingslashit(home_url()) . 'index.php?callback=image&amp;pid=' . $image->pid . '&amp;width=' . $width . '&amp;height=' . $height . '&amp;mode=crop';
         }
         $thumbnail_html = '<img width="266" src="' . $img_src . '" alt="' . $image->alttext . '" title="' . $image->alttext . '" />';
         if (!empty($thumbnail_html)) {
             $ajax_nonce = wp_create_nonce("set_post_thumbnail-{$post_ID}");
             $content = sprintf($set_thumbnail_link, $thumbnail_html);
             $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__('Remove featured image') . '</a></p>';
         }
     }
     return $content;
 }

 /**
  * NextGEN_shortcodes::convert_shortcode()
  * convert old shortcodes to the new WordPress core style
  * [gallery=1]  ->> [nggallery id=1]
  *
  * @param string $content Content to search for shortcodes
  * @return string Content with new shortcodes.
  */
 function convert_shortcode($content)
 {
     $ngg_options = nggGallery::get_option('ngg_options');
     if (stristr($content, '[singlepic')) {
         $search = "@\\[singlepic=(\\d+)(|,\\d+|,)(|,\\d+|,)(|,watermark|,web20|,)(|,right|,center|,left|,)\\]@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 // remove the comma
                 $match[2] = ltrim($match[2], ',');
                 $match[3] = ltrim($match[3], ',');
                 $match[4] = ltrim($match[4], ',');
                 $match[5] = ltrim($match[5], ',');
                 $replace = "[singlepic id=\"{$match[1]}\" w=\"{$match[2]}\" h=\"{$match[3]}\" mode=\"{$match[4]}\" float=\"{$match[5]}\" ]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[album')) {
         $search = "@(?:<p>)*\\s*\\[album\\s*=\\s*(\\w+|^\\+)(|,extend|,compact)\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 // remove the comma
                 $match[2] = ltrim($match[2], ',');
                 $replace = "[album id=\"{$match[1]}\" template=\"{$match[2]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[gallery')) {
         $search = "@(?:<p>)*\\s*\\[gallery\\s*=\\s*(\\w+|^\\+)\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 $replace = "[nggallery id=\"{$match[1]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[imagebrowser')) {
         $search = "@(?:<p>)*\\s*\\[imagebrowser\\s*=\\s*(\\w+|^\\+)\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 $replace = "[imagebrowser id=\"{$match[1]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[slideshow')) {
         $search = "@(?:<p>)*\\s*\\[slideshow\\s*=\\s*(\\w+|^\\+)(|,(\\d+)|,)(|,(\\d+))\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 // remove the comma
                 $match[3] = ltrim($match[3], ',');
                 $match[5] = ltrim($match[5], ',');
                 $replace = "[slideshow id=\"{$match[1]}\" w=\"{$match[3]}\" h=\"{$match[5]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[tags')) {
         $search = "@(?:<p>)*\\s*\\[tags\\s*=\\s*(.*?)\\s*\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 $replace = "[nggtags gallery=\"{$match[1]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     if (stristr($content, '[albumtags')) {
         $search = "@(?:<p>)*\\s*\\[albumtags\\s*=\\s*(.*?)\\s*\\]\\s*(?:</p>)*@i";
         if (preg_match_all($search, $content, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
                 $replace = "[nggtags album=\"{$match[1]}\"]";
                 $content = str_replace($match[0], $replace, $content);
             }
         }
     }
     return $content;
 }