Php 我应该如何以正确的格式进行预匹配?
我有赛前问题。如果xml文本如下所示,我应该预先匹配Php 我应该如何以正确的格式进行预匹配?,php,formatting,preg-match,Php,Formatting,Preg Match,我有赛前问题。如果xml文本如下所示,我应该预先匹配 <File label="asd 480p" type="lol" rate="1500" resolution="854x480">ValueIwant</File> ValueIwant 还是这个 <File label="720p" default="1">ValueIwant</File> ValueIwant 现在我使用这样的格式 preg_match("'<File l
<File label="asd 480p" type="lol" rate="1500" resolution="854x480">ValueIwant</File>
ValueIwant
还是这个
<File label="720p" default="1">ValueIwant</File>
ValueIwant
现在我使用这样的格式
preg_match("'<File label=\"(?:720|576|cat|asd 480p).{1,50}>(.*?)</File>'si", $streamdata, $streamurl);
preg\u match(“”preg\u match(“”您通常最好使用XML解析器而不是preg\u match来处理XML。例如:
$xmlDoc = new DOMDocument();
$xmlDoc->loadXML( '<xml>
<File label="asd 480p" type="lol" rate="1500" resolution="854x480">ValueIwant</File>
<File label="720p" default="1">ValueIwant</File>
</xml>' );
$searchNode = $xmlDoc->getElementsByTagName( "File" );
foreach( $searchNode as $searchNode ) {
$label = $searchNode->getAttribute('label');
$value = $searchNode->nodeValue;
echo "$label - $value<br>";
}
$xmlDoc=newDOMDocument();
$xmlDoc->loadXML($xmlDoc)
价值万特
价值万特
' );
$searchNode=$xmlDoc->getElementsByTagName(“文件”);
foreach($searchNode作为$searchNode){
$label=$searchNode->getAttribute('label');
$value=$searchNode->nodeValue;
回显“$label-$value
”;
}
将输出:
asd 480p-价值旺
720p-价值旺
$xmlDoc = new DOMDocument();
$xmlDoc->loadXML( '<xml>
<File label="asd 480p" type="lol" rate="1500" resolution="854x480">ValueIwant</File>
<File label="720p" default="1">ValueIwant</File>
</xml>' );
$searchNode = $xmlDoc->getElementsByTagName( "File" );
foreach( $searchNode as $searchNode ) {
$label = $searchNode->getAttribute('label');
$value = $searchNode->nodeValue;
echo "$label - $value<br>";
}