Php/docs/simplexmliterator.haschildren

• PHP Manual
• SimpleXMLIterator
• Checks whether the current element has sub elements

SimpleXMLIterator::hasChildren

(PHP 5, PHP 7)

SimpleXMLIterator::hasChildren — Checks whether the current element has sub elements

说明

public SimpleXMLIterator::hasChildren ( ) : bool

This method checks whether the current SimpleXMLIterator element has sub-elements.

参数

此函数没有参数。

返回值

true if the current element has sub-elements, otherwise false

范例

Example #1 Check whether the current element has sub-elements

<?php$xml = <<<XML<books>    <book>        <title>PHP Basics</title>        <author>Jim Smith</author>    </book>    <book>XML basics</book></books>XML;$xmlIterator = new SimpleXMLIterator( $xml );for( $xmlIterator->rewind(); $xmlIterator->valid(); $xmlIterator->next() ) {    if($xmlIterator->hasChildren()) {        var_dump($xmlIterator->current());    }}?>

以上例程会输出：

object(SimpleXMLIterator)#2 (2) {
  ["title"]=>
  string(10) "PHP Basics"
  ["author"]=>
  string(9) "Jim Smith"
}