Phpcms默认不支持调用全站最新文章，需要修改文件：\phpcms\modules\content\classes\content_tag.class.php，找到以下函数: 

/** 
* 列表页标签 
* @param $data 
*/ 
public function lists($data) { 
$catid = intval($data['catid']); 
if(!$this->set_modelid($catid)) return false; 
if(isset($data['where'])) { 
$sql = $data['where']; 
} else { 
$thumb = intval($data['thumb']) ? " AND thumb != ''" : ''; 
if($this->category[$catid]['child']) { 
$catids_str = $this->category[$catid]['arrchildid']; 
$pos = strpos($catids_str,',')+1; 
$catids_str = substr($catids_str, $pos); 
$sql = "status=99 AND catid IN ($catids_str)".$thumb; 
} else { 
$sql = "status=99 AND catid='$catid'".$thumb; 
} 
} 
$order = $data['order']; 
$return = $this->db->select($sql, '*', $data['limit'], $order, '', 'id'); 
//调用副表的数据 
if (isset($data['moreinfo']) && intval($data['moreinfo']) == 1) { 
$ids = array(); 
foreach ($return as $v) { 
if (isset($v['id']) && !empty($v['id'])) { 
$ids[] = $v['id']; 
} else { 
continue; 
} 
} 
if (!empty($ids)) { 
$this->db->table_name = $this->db->table_name.'_data'; 
$ids = implode('\',\'', $ids); 
$r = $this->db->select("`id` IN ('$ids')", '*', '', '', '', 'id'); 
if (!empty($r)) { 
foreach ($r as $k=>$v) { 
if (isset($return[$k])) $return[$k] = array_merge($v, $return[$k]); 
} 
} 
} 
} 
return $return; 
} 

修改为： 

/** 
* 列表页标签 
* @param $data 
*/ 
public function lists($data) { 
$catid = intval($data['catid']); 
if(isset($data['where'])) { 
$sql = $data['where']; 
} else { 
$thumb = intval($data['thumb']) ? " AND thumb != ''" : ''; 
if(!empty($catid)) { 
if(!$this->set_modelid($catid)) return false; 
if($this->category[$catid]['child']) { 
$catids_str = $this->category[$catid]['arrchildid']; 
$pos = strpos($catids_str,',')+1; 
$catids_str = substr($catids_str, $pos); 
$sql = "status=99 AND catid IN ($catids_str)".$thumb; 
} else { 
$sql = "status=99 AND catid='$catid'".$thumb; 
} 
} 
else { 
$sql = "status=99".$thumb; 
} 
} 
$order = $data['order']; 
$return = $this->db->select($sql, '*', $data['limit'], $order, '', 'id'); 
//调用副表的数据 
if (isset($data['moreinfo']) && intval($data['moreinfo']) == 1) { 
$ids = array(); 
foreach ($return as $v) { 
if (isset($v['id']) && !empty($v['id'])) { 
$ids[] = $v['id']; 
} else { 
continue; 
} 
} 
if (!empty($ids)) { 
$this->db->table_name = $this->db->table_name.'_data'; 
$ids = implode('\',\'', $ids); 
$r = $this->db->select("`id` IN ('$ids')", '*', '', '', '', 'id'); 
if (!empty($r)) { 
foreach ($r as $k=>$v) { 
if (isset($return[$k])) $return[$k] = array_merge($v, $return[$k]); 
} 
} 
} 
} 
return $return; 
} 

修改代码后，即能调取全站最新文章。调用方法： 

{pc:content action="lists" num="10" order="id DESC" cache="3600"}