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Fix GH-11347: Memory leak when calling a static method inside an xpath query #11350

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Fix GH-11347: Memory leak when calling a static method inside an xpath query #11350

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26 changes: 26 additions & 0 deletions ext/dom/tests/gh11347.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
--TEST--
GH-11347 (Memory leak when calling a static method inside an xpath query)
--EXTENSIONS--
dom
--FILE--
<?php

class MyClass
{
public static function dump(string $var) {
var_dump($var);
}
}

$doc = new DOMDocument();
$doc->loadHTML('<a href="https://php.net">hello</a>');
$xpath = new DOMXpath($doc);
$xpath->registerNamespace("php", "http://php.net/xpath");
$xpath->registerPHPFunctions();
$xpath->query("//a[php:function('MyClass::dump', string(@href))]");

?>
Done
--EXPECT--
string(15) "https://php.net"
Done
2 changes: 1 addition & 1 deletion ext/dom/xpath.c
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Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ static void dom_xpath_ext_function_php(xmlXPathParserContextPtr ctxt, int nargs,
}
cleanup:
zend_string_release_ex(callable, 0);
zval_ptr_dtor_str(&fci.function_name);
zval_ptr_dtor_nogc(&fci.function_name);
if (fci.param_count > 0) {
for (i = 0; i < nargs - 1; i++) {
zval_ptr_dtor(&fci.params[i]);
Expand Down