DOMNamedNodeMap::item()

(PHP 5, PHP 7)

Retrieves a node specified by index

说明

DOMNamedNodeMap::item(int $index): DOMNode

Retrieves a node specified by$indexwithin the DOMNamedNodeMap object.

参数

$index

Index into this map.

返回值

The node at the$indexth position in the map, or NULL if that is not a valid index(greater than or equal to the number of nodes in this map).

Nevermind: I got it, and here it is:
<?php
if($element->hasAttributes())
{
  $attributes = $element->attributes;
  if(!is_null($attributes))
  {
    foreach ($attributes as $index=>$attr)
    {
      echo $attr->name."=\"".$attr->value."\"";
    }
  }
}
?>