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Fix #78221: DOMNode::normalize() doesn't remove empty text nodes #5254

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Fix #78221: DOMNode::normalize() doesn't remove empty text nodes #5254

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8 changes: 8 additions & 0 deletions ext/dom/php_dom.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1383,6 +1383,14 @@ void dom_normalize (xmlNodePtr nodep)
break;
}
}
strContent = xmlNodeGetContent(child);
if (*strContent == '\0') {
nextp = child->next;
xmlUnlinkNode(child);
php_libxml_node_free_resource(child);
child = nextp;
continue;
}
break;
case XML_ELEMENT_NODE:
dom_normalize (child);
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17 changes: 17 additions & 0 deletions ext/dom/tests/bug78221.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
--TEST--
Bug #78221 (DOMNode::normalize() doesn't remove empty text nodes)
--SKIPIF--
<?php
if (!extension_loaded('dom')) die('skip dom extension not available');
?>
--FILE--
<?php
$doc = new DOMDocument();
$doc->loadHTML('<p id=x>foo</p>');
$p = $doc->getElementById('x');
$p->childNodes[0]->textContent = '';
$p->normalize();
var_dump($p->childNodes->length);
?>
--EXPECT--
int(0)