PHP value_or_default函数代码示例

 public function update()
 {
     global $DB;
     $ok = $DB->execute(' 
       UPDATE nv_webuser_groups
         SET website = :website, name = :name, code = :code, description = :description
         WHERE id = :id', array('id' => $this->id, 'website' => $this->website, 'name' => value_or_default($this->name, ""), 'code' => value_or_default($this->code, ""), 'description' => value_or_default($this->description, "")));
     if (!$ok) {
         throw new Exception($DB->get_last_error());
     }
     return true;
 }

    public function update()
    {
        global $DB;
        $ok = $DB->execute(' 
 			UPDATE nv_profiles
			   SET name = :name, description = :description, menus = :menus
			 WHERE id = :id', array('name' => value_or_default($this->name, ""), 'description' => value_or_default($this->description, ""), 'menus' => json_encode($this->menus), 'id' => $this->id));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        return true;
    }

    public function update()
    {
        global $DB;
        $ok = $DB->execute(' 
 			UPDATE nv_functions
			   SET category = :category, codename = :codename, icon = :icon,
				  lid = :lid, enabled = :enabled
            WHERE id = :id', array('id' => $this->id, 'category' => value_or_default($this->category, ""), 'codename' => value_or_default($this->codename, ""), 'icon' => value_or_default($this->icon, ""), 'lid' => value_or_default($this->lid, 0), 'enabled' => value_or_default($this->enabled, 0)));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        return true;
    }

    public function update()
    {
        global $DB;
        $ok = $DB->execute('
 			UPDATE nv_paths
			   SET type = :type, object_id = :object_id, lang = :lang,
			   	   path = :path, cache_file = :cache_file, cache_expires = :cache_expires, views = :views,
			   	   id = :id, website = :website', array("type" => $this->type, "object_id" => $this->object_id, "lang" => $this->lang, "path" => $this->path, "cache_file" => $this->cache_file, "cache_expires" => $this->cache_expires, "views" => value_or_default($this->views, 0), "id" => $this->id, "website" => $this->website));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        return true;
    }

    public function update()
    {
        global $DB;
        global $website;
        $this->date = core_time();
        $ok = $DB->execute(' 
 			UPDATE nv_webuser_votes
				SET webuser	= :webuser, object = :object, object_id = :object_id, value = :value, date = :date
			WHERE id = :id AND website = :website', array('id' => $this->id, 'website' => value_or_default($this->website, $website->id), 'webuser' => value_or_default($this->webuser, 0), 'object' => $this->object, 'object_id' => $this->object_id, 'value' => $this->value, 'date' => value_or_default($this->date, 0)));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        return true;
    }

//.........这里部分代码省略.........
                }
            } else {
                // compatibility with < Navigate 2.1 themes (to be removed)
                $properties_names = array_keys($properties_assoc);
                $block = block::block_group_block_by_property($properties_names[0]);
            }
            if (!isset($block->properties) || empty($block->properties)) {
                return false;
            }
            $properties = $block->properties;
        } else {
            $properties = property::elements($template, $object_type);
        }
        if (!is_array($properties)) {
            $properties = array();
        }
        foreach ($properties as $property) {
            if (!isset($properties_assoc[$property->name]) && !isset($properties_assoc[$property->id])) {
                continue;
            }
            $values_dict = array();
            $value = '';
            // we try to find the property value by "property name", if empty then we try to find it via "property id"
            if (isset($properties_assoc[$property->name])) {
                $value = $properties_assoc[$property->name];
            }
            if (empty($value)) {
                $value = $properties_assoc[$property->id];
            }
            // multilanguage property?
            if (in_array($property->type, array('text', 'textarea', 'link', 'rich_textarea')) || @$property->multilanguage == 'true' || @$property->multilanguage === true) {
                if (isset($properties_assoc[$property->name])) {
                    $values_dict = $properties_assoc[$property->name];
                }
                if (empty($values_dict)) {
                    $values_dict = $properties_assoc[$property->id];
                }
                $value = '[dictionary]';
            }
            if ($property->type == 'coordinates') {
                if (is_array($value)) {
                    $value = $value['latitude'] . '#' . $value['longitude'];
                }
                // if it isn't an array, then we suppose it already has the right format
            }
            // property->type "decimal"; we don't need to reconvert, it should already be in the right format
            if ($property->type == 'webuser_groups' && !empty($value)) {
                $value = 'g' . implode(',g', $value);
            }
            // boolean (checkbox): if not checked,  form does not send the value
            if ($property->type == 'boolean' && empty($value)) {
                $value = 0;
            }
            if (is_null($value)) {
                $value = "";
            }
            // should not be needed because of value_or_default, but doing this here fixes some warnings
            // remove the old property value row
            $DB->execute('
				DELETE FROM nv_properties_items
                	  WHERE property_id = ' . protect($property->id) . '
                        AND element = ' . protect($property_object_type) . '
                        AND node_id = ' . protect($object_id) . (empty($node_uid) ? '' : ' AND node_uid = ' . protect($node_uid)) . '
                        AND website = ' . $ws->id);
            // now we insert a new row
            $DB->execute('
			    INSERT INTO nv_properties_items
				    (id, website, property_id, element, node_id, node_uid, name, value)
				VALUES
				    (   0,
						:website,
						:property_id,
						:type,
						:object_id,
						:node_uid,
						:name,
						:value
                    )', array(':website' => $ws->id, ':property_id' => $property->id, ':type' => $property_object_type, ':object_id' => value_or_default($object_id, 0), ':node_uid' => value_or_default($node_uid, ""), ':name' => $property->name, ':value' => value_or_default($value, "")));
            // $error = $DB->get_last_error();
            // set the dictionary for the multilanguage properties
            $default_language = '';
            if (isset($property->multilanguage) && ($property->multilanguage === 'false' || $property->multilanguage === false)) {
                $default_language = $ws->languages_list[0];
            }
            if (in_array($property->type, array('text', 'textarea', 'rich_textarea', 'link')) || @$property->multilanguage == 'true' || @$property->multilanguage === true) {
                foreach ($ws->languages_list as $lang) {
                    if (!empty($default_language)) {
                        // property is NOT multilanguage, use the first value for all languages
                        $dictionary[$lang]['property-' . $property->id . '-' . $lang] = $values_dict[$default_language];
                    } else {
                        $dictionary[$lang]['property-' . $property->id . '-' . $lang] = $values_dict[$lang];
                    }
                }
            }
        }
        if (!empty($dictionary)) {
            webdictionary::save_element_strings('property-' . $property_object_type, $object_id, $dictionary, $ws->id, $node_uid);
        }
        return true;
    }

 public function update()
 {
     global $DB;
     $groups = '';
     if (is_array($this->groups)) {
         $this->groups = array_unique($this->groups);
         // remove duplicates
         $this->groups = array_filter($this->groups);
         // remove empty
         if (!empty($this->groups)) {
             $groups = 'g' . implode(',g', $this->groups);
         }
     }
     if ($groups == 'g') {
         $groups = '';
     }
     $ok = $DB->execute('
         UPDATE nv_files
            SET
             type		=	:type,
             parent		=	:parent,
             name		=	:fname,
             size		=	:size,
             mime		=	:mime,
             width		=	:width,
             height		=	:height,
             focalpoint  =	:focalpoint,
             title       =   :title,
             description =   :description,
             date_added	=	:date_added,
             uploaded_by	=	:uploaded_by,
             permission	=	:permission,
             access		=	:access,
             groups      =   :groups,
             system		=	:system,
             enabled		=	:enabled
         WHERE id = :id
           AND website = :website_id
       ', array(":id" => $this->id, ":website_id" => $this->website, ":type" => $this->type, ":parent" => $this->parent, ":fname" => $this->name, ":size" => $this->size, ":mime" => $this->mime, ":width" => $this->width, ":height" => $this->height, ":focalpoint" => value_or_default($this->focalpoint, ''), ":title" => json_encode($this->title), ":description" => json_encode($this->description), ":date_added" => $this->date_added, ":uploaded_by" => $this->uploaded_by, ":permission" => $this->permission, ":access" => value_or_default($this->access, 0), ":groups" => $groups, ":system" => value_or_default($this->system, 0), ":enabled" => $this->enabled));
     if (!$ok) {
         throw new Exception($DB->get_last_error());
     }
     return true;
 }

function run()
{
    global $user;
    switch (@$_REQUEST['act']) {
        case 'json':
            switch ($_REQUEST['oper']) {
                case 'settings_panels':
                    // save dashboard panels state
                    $dashboard_panels = $_REQUEST['dashboard_panels'];
                    $user->setting('dashboard-panels', json_encode($dashboard_panels));
                    echo json_encode(true);
                    core_terminate();
                    break;
                case 'feed':
                    $feed = new feed_parser();
                    $feed->set_cache(4 * 3600);
                    // once update each 4 hours
                    $feed->load($_REQUEST['url']);
                    list($channel, $articles, $count) = $feed->parse(0, $_REQUEST['limit'], 'newest');
                    $items = item::convert_from_rss($articles);
                    $display_language = $_REQUEST['language'];
                    if (!empty($items)) {
                        $feed_html = '';
                        for ($c = 0; $c < count($items); $c++) {
                            if (empty($items[$c])) {
                                break;
                            }
                            if (!isset($items[$c]->dictionary[$display_language])) {
                                // requested language not available, get the first available in the feed
                                $feed_languages = array_keys($items[$c]->dictionary);
                                $display_language = $feed_languages[0];
                            }
                            $tmp = array('<div class="navigate-panel-body-title ui-corner-all">' . '<a href="' . $items[$c]->paths[$display_language] . '" target="_blank">' . core_ts2date($items[$c]->date_to_display, true) . ' ' . '<strong>' . $items[$c]->dictionary[$display_language]['title'] . '</strong>' . '</a>' . '</div>', '<div id="navigatecms-feed-item-' . $items[$c]->id . '" class="navigate-panel-recent-feed-element">' . $items[$c]->dictionary[$display_language]['section-main'] . '</div>');
                            $feed_html .= implode("\n", $tmp);
                        }
                    }
                    echo $feed_html;
                    core_terminate();
                    break;
                default:
                    // list or search
            }
            break;
        case 'recent_items':
            $ri = users_log::recent_items(value_or_default($_REQUEST['limit']), 10);
            if (!is_array($ri)) {
                $ri = array();
            }
            for ($i = 0; $i < count($ri); $i++) {
                $action = $ri[$i];
                $ri[$i]->_url = '?fid=' . $action->function . '&wid=' . $action->website . '&act=load&id=' . $action->item;
                $ri[$i]->_link = '<a href="' . $ri[$i]->_url . '" title="' . htmlspecialchars($action->item_title) . ' | ' . htmlspecialchars(t($action->function_title, $action->function_title)) . '"><img src="' . $action->function_icon . '" align="absmiddle" /> ' . core_string_cut($action->item_title, 33) . '</a>';
            }
            echo json_encode($ri);
            core_terminate();
            break;
        default:
            $out = dashboard_create();
    }
    return $out;
}

/**
 * An alias of {@link value_or_default()}
 *
 *
 * @param mixed $value
 * @param mixed $default
 * @return mixed
 */
function v($value, $default)
{
    return value_or_default($value, $default);
}

 public function update()
 {
     global $DB;
     global $website;
     global $events;
     global $user;
     if (!is_null($user)) {
         if ($user->permission("items.edit") == 'false' && $this->author != $user->id) {
             throw new Exception(t(610, "Sorry, you are not allowed to execute this function."));
         }
         if (!structure::category_allowed($this->category)) {
             throw new Exception(t(610, "Sorry, you are not allowed to execute this function."));
         }
     }
     $this->date_modified = core_time();
     $groups = '';
     if (is_array($this->groups)) {
         $this->groups = array_unique($this->groups);
         // remove duplicates
         $this->groups = array_filter($this->groups);
         // remove empty
         if (!empty($this->groups)) {
             $groups = 'g' . implode(',g', $this->groups);
         }
     }
     if ($groups == 'g') {
         $groups = '';
     }
     $ok = $DB->execute(' 
         UPDATE nv_items
         SET 
             association	= :association,
             category	=   :category,
             embedding	= 	:embedding,
             template	=   :template,
             date_to_display	=  :date_to_display,
             date_published	=  :date_published,
             date_unpublish	=  :date_unpublish,
             date_modified	=  :date_modified,
             author		=   :author,
             galleries	=  :galleries,
             comments_enabled_to = :comments_enabled_to,
             comments_moderator = :comments_moderator,
             access	 	=  :access,
             groups      =  :groups,
             permission 	=  :permission,
             views 	=  :views,
             votes 	=  :votes,
             score 	=  :score,
             position = :position
         WHERE id = :id
           AND website = :website', array(":association" => $this->association, ":category" => $this->category, ":embedding" => $this->embedding, ":template" => $this->template, ":date_to_display" => value_or_default($this->date_to_display, 0), ":date_published" => value_or_default($this->date_published, 0), ":date_unpublish" => value_or_default($this->date_unpublish, 0), ":date_modified" => $this->date_modified, ":author" => $this->author, ":galleries" => serialize($this->galleries), ":comments_enabled_to" => value_or_default($this->comments_enabled_to, 0), ":comments_moderator" => value_or_default($this->comments_moderator, 0), ":access" => $this->access, ":groups" => $groups, ":permission" => $this->permission, ":views" => $this->views, ":votes" => $this->votes, ":score" => $this->score, ":position" => value_or_default($this->position, 0), ":id" => $this->id, ":website" => $this->website));
     if (!$ok) {
         throw new Exception($DB->get_last_error());
     }
     webdictionary::save_element_strings('item', $this->id, $this->dictionary, $this->website);
     webdictionary_history::save_element_strings('item', $this->id, $this->dictionary, false, $this->website);
     path::saveElementPaths('item', $this->id, $this->paths, $this->website);
     $events->trigger('item', 'save', array('item' => $this));
     return true;
 }

function all_error_texts()
{
    return implode('<br>', array_map('retry_error_text', array_keys(value_or_default($_GET, ERROR_GET_VARIABLE, array()))));
}

/**
 * Sets a template variable with a value or a default value if value is empty
 *
 * @param string $name 
 * @param string $value 
 * @param string $default 
 * @return mixed setted value
 */
function set_or_default($name, $value, $default)
{
    return set($name, value_or_default($value, $default));
}

    public function update()
    {
        global $DB;
        global $website;
        $groups = '';
        if (is_array($this->groups)) {
            $this->groups = array_unique($this->groups);
            // remove duplicates
            $this->groups = array_filter($this->groups);
            // remove empty
            if (!empty($this->groups)) {
                $groups = 'g' . implode(',g', $this->groups);
            }
        }
        if ($groups == 'g') {
            $groups = '';
        }
        $ok = $DB->execute('
 			UPDATE nv_structure
			   SET  parent = :parent, position = :position, access = :access, groups = :groups,
			   		permission = :permission, icon = :icon, metatags = :metatags,
					date_published = :date_published, date_unpublish = :date_unpublish,
					template = :template, visible = :visible, views = :views, votes = :votes, score = :score
			 WHERE id = :id
			   AND website = :website
		   ', array(":id" => $this->id, ":website" => $this->website, ":parent" => value_or_default($this->parent, 0), ":position" => $this->position, ":access" => $this->access, ":groups" => $groups, ":permission" => $this->permission, ":icon" => value_or_default($this->icon, ''), ":metatags" => value_or_default($this->metatags, ''), ":template" => $this->template, ":date_published" => value_or_default($this->date_published, 0), ":date_unpublish" => value_or_default($this->date_unpublish, 0), ":visible" => $this->visible, ":views" => $this->views, ":votes" => $this->votes, ":score" => $this->score));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        webdictionary::save_element_strings('structure', $this->id, $this->dictionary, $this->website);
        path::saveElementPaths('structure', $this->id, $this->paths, $this->website);
        return true;
    }

    public function update()
    {
        global $DB;
        if (!is_array($this->categories)) {
            $this->categories = array();
        }
        $ok = $DB->execute(' 
 			UPDATE nv_feeds
			  SET categories = :categories, format = :format, image = :image, entries = :entries, 
			  	  content = :content, views = :views, permission = :permission, enabled = :enabled
			WHERE id = :id	AND	website = :website', array('id' => $this->id, 'website' => $this->website, 'categories' => implode(',', $this->categories), 'format' => $this->format, 'image' => value_or_default($this->image, 0), 'entries' => value_or_default($this->entries, 10), 'content' => $this->content, 'views' => value_or_default($this->views, 0), 'permission' => value_or_default($this->permission, 0), 'enabled' => value_or_default($this->enabled, 0)));
        if (!$ok) {
            throw new Exception($DB->get_last_error());
        }
        webdictionary::save_element_strings('feed', $this->id, $this->dictionary);
        path::saveElementPaths('feed', $this->id, $this->paths);
        return true;
    }

 public function update()
 {
     global $DB;
     global $website;
     $ok = $DB->execute('UPDATE nv_block_groups
          SET
             `code`			= :code,
             title           = :title,
             notes	 		= :notes,
             blocks   		= :blocks
          WHERE id = :id
            AND website = :website
         ', array(':id' => $this->id, ':website' => $this->website, ':code' => value_or_default($this->code, ''), ':title' => value_or_default($this->title, ''), ':notes' => value_or_default($this->notes, ''), ':blocks' => json_encode($this->blocks)));
     if (!$ok) {
         throw new Exception($DB->get_last_error());
     }
     return true;
 }