我有一个字符串值,我正在尝试为其提取列表项。我想提取文本和任何子节点,但是,DOMDocument 正在将实体转换为字符,而不是保留原始状态。
我尝试将 DOMDocument::resolveExternals 和 DOMDocument::substituteEntities 设置为 false,但这没有效果。应该注意的是,我在 Win7 上运行 PHP 5.2.17。
示例代码是:
$example = '<ul><li>text</li>'.
'<li>½ of this is <strong>strong</strong></li></ul>';
echo 'To be converted:'.PHP_EOL.$example.PHP_EOL;
$doc = new DOMDocument();
$doc->resolveExternals = false;
$doc->substituteEntities = false;
$doc->loadHTML($example);
$domNodeList = $doc->getElementsByTagName('li');
$count = $domNodeList->length;
for ($idx = 0; $idx < $count; $idx++) {
$value = trim(_get_inner_html($domNodeList->item($idx)));
/* remainder of processing and storing in database */
echo 'Saved '.$value.PHP_EOL;
}
function _get_inner_html( $node ) {
$innerHTML= '';
$children = $node->childNodes;
foreach ($children as $child) {
$innerHTML .= $child->ownerDocument->saveXML( $child );
}
return $innerHTML;
}
½
最终转换为 ½(单字符/UTF-8 版本,而不是实体版本),这不是所需的格式。
不是 PHP 5.3.6++ 的解决方案
$html =<<<HTML
<ul><li>text</li>
<li>½ of this is <strong>strong</strong></li></ul>
HTML;
$doc = new DOMDocument();
$doc->resolveExternals = false;
$doc->substituteEntities = false;
$doc->loadHTML($html);
foreach ($doc->getElementsByTagName('li') as $node)
{
echo htmlentities(iconv('UTF-8', 'ISO-8859-1', $node->nodeValue)), "\n";
}
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