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Fix GH-12167 and GH-12169: Unable to get comment or processing instruction contents in SimpleXML

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Closes GH-12289.
This commit is contained in:
Niels Dossche 2023-09-23 23:07:30 +02:00
parent d65c80031a
commit 82a84d0b7b
4 changed files with 55 additions and 1 deletions
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4
NEWS
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@ -35,6 +35,10 @@ PHP NEWS
. Fixed bug GH-12208 (SimpleXML infinite loop when a cast is used inside a
foreach). (nielsdos)
. Fixed bug #55098 (SimpleXML iteration produces infinite loop). (nielsdos)
. Fixed bug GH-12167 (Unable to get processing instruction contents in
SimpleXML). (nielsdos)
. Fixed bug GH-12169 (Unable to get comment contents in SimpleXML).
(nielsdos)
- Streams:
. Fixed bug GH-12190 (binding ipv4 address with both address and port at 0).

6
ext/simplexml/simplexml.c
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@ -1835,6 +1835,7 @@ static int sxe_object_cast_ex(zend_object *readobj, zval *writeobj, int type)
{
php_sxe_object *sxe;
xmlChar *contents = NULL;
bool free_contents = true;
xmlNodePtr node;
int rv;
@ -1865,13 +1866,16 @@ static int sxe_object_cast_ex(zend_object *readobj, zval *writeobj, int type)
if (sxe->node && sxe->node->node) {
if (sxe->node->node->children) {
contents = xmlNodeListGetString((xmlDocPtr) sxe->document->ptr, sxe->node->node->children, 1);
} else if (sxe->node->node->type == XML_COMMENT_NODE || sxe->node->node->type == XML_PI_NODE) {
contents = sxe->node->node->content;
free_contents = false;
}
}
}
rv = cast_object(writeobj, type, (char *)contents);
if (contents) {
if (contents && free_contents) {
xmlFree(contents);
}

23
ext/simplexml/tests/gh12167.phpt Normal file
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@ -0,0 +1,23 @@
--TEST--
GH-12167 (Unable to get processing instruction contents in SimpleXML)
--EXTENSIONS--
simplexml
--FILE--
<?php
$xml = <<<XML
<?xml version="1.0"?>
<container>
<?foo pi contents ?>
</container>
XML;
$sxe = simplexml_load_string($xml);
var_dump($sxe->xpath("//processing-instruction()")[0]->getName());
var_dump((string) $sxe->xpath("//processing-instruction()")[0]);
?>
--EXPECT--
string(3) "foo"
string(12) "pi contents "

23
ext/simplexml/tests/gh12169.phpt Normal file
View file

@ -0,0 +1,23 @@
--TEST--
GH-12169 (Unable to get comment contents in SimpleXML)
--EXTENSIONS--
simplexml
--FILE--
<?php
$xml = <<<XML
<?xml version="1.0"?>
<container>
<!-- comment contents -->
</container>
XML;
$sxe = simplexml_load_string($xml);
var_dump($sxe->xpath("//comment()")[0]->getName());
var_dump((string) $sxe->xpath("//comment()")[0]);
?>
--EXPECT--
string(7) "comment"
string(18) " comment contents "