$parts = explode("||", $db_result['content']);

foreach ($parts as $part) {
    $blocks = explode('|', $part);
    for ($i = 1; $i < count($blocks); $i++) {
        $param = explode(' ', $blocks[$i]);
        $this->structure[$blocks[0]][$param[0]][weight]     = $param[1];
        $this->structure[$blocks[0]][$param[0]][name]       = $param[2];
        $this->structure[$blocks[0]][$param[0]][permission] = $param[3];
        $this->structure[$blocks[0]][$param[0]][design]     = $param[4];
        $this->structure[$blocks[0]][$param[0]][parameter]  = $param[5];
    }
}

$this->structure[$blocks[0]][$param[0]][weight]=$param[1];

$this->structure[$blocks[0]][$param[0]][weight]=$param[1];