int(111)
array(6) {
  ["htmltag"]=>
  string(3) "tag"
  ["attr"]=>
  array(0) {
  }
  ["content"]=>
  array(4) {
    ["header"]=>
    array(0) {
    }
    ["main"]=>
    array(0) {
    }
    ["footer"]=>
    array(0) {
    }
    ["sidebar"]=>
    array(0) {
    }
  }
  ["events"]=>
  array(0) {
  }
  ["slots"]=>
  array(0) {
  }
  ["attrname"]=>
  string(9) "container"
}