如何通过所有的孩子和子孩子来完成这个循环，直到不再有孩子？
如何通过所有的孩子和子孩子来完成这个循环，直到不再有孩子？
提问于 2017-02-25 06:58:11
我想通过所有的孩子和子孩子，直到时间的结束。它从HTML字符串开始，一些元素包含多达7或8层的childs。怎么用聪明的方式做这件事？
<code>
include_once('simple_html_dom.php');
$style_array = array();
foreach(str_get_html($str)->find('*') as $element) {
$PARENT_NODE = new stdClass();
$PARENT_NODE->tag = $element->tag;
$PARENT_NODE->style = $element->style;
$PARENT_NODE->src = $element->src;
$PARENT_NODE->href = $element->href;
$PARENT_NODE->innertext = array();
if($element->hasChildNodes()) {
foreach(str_get_html($element->innertext)->find('*') as $element2) {
$CHILD_NODE_1 = new stdClass();
$CHILD_NODE_1->tag = $element2->tag;
$CHILD_NODE_1->style = $element2->style;
$CHILD_NODE_1->src = $element2->src;
$CHILD_NODE_1->href = $element2->href;
$CHILD_NODE_1->innertext = array();
if($element2->hasChildNodes()) {
foreach(str_get_html($element->innertext)->find('*') as $element3) {
$CHILD_NODE_2 = new stdClass();
$CHILD_NODE_2->tag = $element3->tag;
$CHILD_NODE_2->style = $element3->style;
$CHILD_NODE_2->src = $element3->src;
$CHILD_NODE_2->href = $element3->href;
$CHILD_NODE_2->innertext = $element3->innertext;
array_push($CHILD_NODE_1->innertext, $CHILD_NODE_2);
}
}else{
$CHILD_NODE_1->innertext = $element2->innertext;
}
array_push($PARENT_NODE->innertext, $CHILD_NODE_1);
}
}else{
$PARENT_NODE->innertext = $element->innertext;
}
array_push($style_array,array($PARENT_NODE));
};
echo var_export($style_array, true);
</code>回答 2
Stack Overflow用户
回答已采纳
发布于 2017-02-25 08:25:39
这是我能帮助您的最好的方法，展示了如何通过simplexml来构建一个标准的数组/对象结构。
$html = simplexml_load_string( file_get_contents('https://en.wikipedia.org/wiki/HTML5') );
$output = process_html( $html );
print_r($output);
function process_html( SimpleXMLElement $nodes )
{
$array = array();
/* @var $node SimpleXMLElement */
foreach( $nodes as $node )
{
$object = new stdClass();
$object->tag = $node->getName();
$object->text = trim( (string) $node );
if( $node->attributes() )
{
$object->attributes = new stdClass();
foreach( $node->attributes() as $attrKey => $attr )
{
$object->attributes->{$attrKey} = (string) $attr;
}
}
if( count( $node->children() ) )
{
// Here is the recursion
$object->children = process_html( $node->children() );
}
$array[] = $object;
}
return $array;
}Stack Overflow用户
发布于 2017-02-25 09:57:11
解决了，谢谢你扭打
$html = str_get_html($str);
$output = process_html( $html );
echo '<pre>' . var_export($output, true) . '</pre>';
function process_html( $nodes )
{
$array = array();
foreach(str_get_html($nodes)->find('*') as $node) {
$object = new stdClass();
$object->tag = $node->tag;
$object->href = $node->href;
$object->src = $node->src;
$object->style = $node->style;
$object->innertext = $node->innertext;
if( $node->hasChildNodes())
{
$object->innertext = process_html( $node->innertext );
}
$array[] = $object;
}
return $array;
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/42453011
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