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feedparser: check if initial xpath query for root element returns anything

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This commit is contained in:
Andrew Dolgov
2013-06-19 19:40:36 +04:00
parent 84acb0b711
commit a9000b0344
1 changed files with 19 additions and 15 deletions
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34
classes/feedparser.php
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@@ -51,24 +51,28 @@ class FeedParser {
$this->xpath = $xpath;
$root = $xpath->query("(//atom03:feed|//atom:feed|//channel|//rdf:rdf|//rdf:RDF)")->item(0);
$root = $xpath->query("(//atom03:feed|//atom:feed|//channel|//rdf:rdf|//rdf:RDF)");
if ($root) {
switch (mb_strtolower($root->tagName)) {
case "rdf:rdf":
$this->type = $this::FEED_RDF;
break;
case "channel":
$this->type = $this::FEED_RSS;
break;
case "feed":
$this->type = $this::FEED_ATOM;
break;
default:
if( !isset($this->error) ){
$this->error = "Unknown/unsupported feed type";
$root = $root->item(0);
if ($root) {
switch (mb_strtolower($root->tagName)) {
case "rdf:rdf":
$this->type = $this::FEED_RDF;
break;
case "channel":
$this->type = $this::FEED_RSS;
break;
case "feed":
$this->type = $this::FEED_ATOM;
break;
default:
if( !isset($this->error) ){
$this->error = "Unknown/unsupported feed type";
}
return;
}
return;
}
switch ($this->type) {