Php/docs/simplexmliterator.current

• PHP Manual
• SimpleXMLIterator
• Returns the current element

SimpleXMLIterator::current

(PHP 5, PHP 7)

SimpleXMLIterator::current — Returns the current element

说明

public SimpleXMLIterator::current ( ) : 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());$xmlIterator->rewind(); // rewind to first elementvar_dump($xmlIterator->current());?>

以上例程会输出：

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

参见

• SimpleXMLIterator::key() - Return current key
• SimpleXMLIterator::next() - Move to next element
• SimpleXMLIterator::rewind() - Rewind to the first element
• SimpleXMLIterator::valid() - Check whether the current element is valid
• SimpleXMLElement