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Handle missing source tag in replace_srcset_in_source #15

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Handle missing source tag in replace_srcset_in_source #15

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5 changes: 5 additions & 0 deletions includes/class-gumlet.php
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Original file line number Diff line number Diff line change
Expand Up @@ -653,6 +653,11 @@ public function replace_srcset_in_source($matches,$content) {
//write function to remove srcset for img and this function.
@$doc->loadHTML($source_tag);
$sourceTag = $doc->getElementsByTagName('source')[0];
if (!$sourceTag) {
$this->logger->log("No source tag found in HTML");
continue;
}

$src = $sourceTag->getAttribute('srcset');
$sourceTag->removeAttribute("srcset");
$sourceTag->setAttribute("data-srcset", $src);
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