SimpleXMLIterator::current

(PHP 5, PHP 7)

SimpleXMLIterator::current — Returns the current element

说明

public SimpleXMLIterator::current ( void ) : mixed

This method returns the current element as a SimpleXMLIterator object or NULL.

参数

此函数没有参数。

返回值

Returns the current element as a SimpleXMLIterator object or NULL on failure.

范例

Example #1 Return the current element

<?php
$xmlIterator = new SimpleXMLIterator('<books><book>PHP basics</book><book>XML basics</book></books>');
var_dump($xmlIterator->current());

$xmlIterator->rewind(); // rewind to first element
var_dump($xmlIterator->current());
?>

以上例程会输出：

NULL
object(SimpleXMLIterator)#2 (1) {
  [0]=>
  string(10) "PHP basics"
}

参见