n_rows = DB::selectCount("select count(*) from {$config['table_name']} where {$config['cond']}"); $this->page_len = isset($config['page_len']) ? $config['page_len'] : 10; $this->n_pages = max((int)ceil($this->n_rows / $this->page_len), 1); $this->cur_page = validateUInt($_GET['page']) ? (int)$_GET['page'] : 1; if ($this->cur_page < 1) { $this->cur_page = 1; } else if ($this->cur_page > $this->n_pages) { $this->cur_page = $this->n_pages; } $this->cur_start = ($this->cur_page - 1) * $this->page_len; $this->table = DB::selectAll("select ".join($config['col_names'], ',')." from {$config['table_name']} where {$config['cond']} {$config['tail']} limit {$this->cur_start}, {$this->page_len}"); } else { $this->n_pages = 1; $this->cur_page = 1; $this->cur_start = ($this->cur_page - 1) * $this->page_len; $this->table = DB::selectAll("select ".join($config['col_names'], ',')." from {$config['table_name']} where {$config['cond']} {$config['tail']}"); } $this->max_extend = isset($config['max_extend']) ? (int)$config['max_extend'] : 5; } public function getPageRawUri($page) { $path = strtok($_SERVER["REQUEST_URI"], '?'); $query_string = strtok('?'); parse_str($query_string, $param); $param['page'] = $page; if ($page == 1) unset($param['page']); if ($param) { return $path . '?' . http_build_query($param); } else { return $path; } } public function getPageUri($page) { return HTML::escape($this->getPageRawUri($page)); } public function get() { $cur_idx = $this->cur_start + 1; foreach ($this->table as $idx => $row) { yield $cur_idx++ => $row; } } public function isEmpty() { return empty($this->table); } public function pagination() { if ($this->n_pages == 1) { return ''; } $html = '
'; $html .= ''; $html .= '
'; return $html; } }