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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

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

User Contributed Notes

bmafzallmahmud at gmail dot com 02-Dec-2017 05:51


<?php 

$note=<<<XML

<note>

<to>Afzall</to>

<from>Hasan</from>

<heading>Reminder</heading>

<body>Don't forget your parents</body>

</note>

XML;



$xmlIterator = new SimpleXMLIterator($note);

var_dump($xmlIterator->current()); //out put : NULL

var_dump($xmlIterator->rewind()); //out put null

$xmlIterator->rewind(); //beacse of rewind to first element then show "$xmlIterator->current()""

var_dump($xmlIterator->current());

 //out put : object(SimpleXMLIterator)#2 (1) { [0]=> string(6) "Afzall" }

?>

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SimpleXMLIterator::current

说明

参数

返回值

范例

参见

User Contributed Notes

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php手册