Backport 4fe82131: Backport libxml2 2.13.2 fixes (#14816)

Backproted from https://github.com/php/php-src/pull/14789

Fix null pointer dereferences in case of allocation failure

Closes GH-12506.

Fix missing check for xmlTextWriterEndElement

xmlTextWriterEndElement returns -1 if the call fails. There was already
a check for retval, but the return value wasn't assigned to retval.

Fix missing check for xmlTextWriterEndElement

xmlTextWriterEndElement returns -1 if the call fails. There was already
a check for retval, but the return value wasn't assigned to retval. The
other caller of xmlTextWriterEndElement is in
xmlwriter_write_element_ns, which does the check correctly.

Closes GH-10324

Signed-off-by: George Peter Banyard <girgias@php.net>

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Fixed some spaces used instead of tabs

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Generate class entries from stubs for com, standard, xmlreader, xmlwriter, xsl, zip, Zend

Closes GH-6706

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool

Replace zend_bool uses with bool

We're starting to see a mix between uses of zend_bool and bool.
Replace all usages with the standard bool type everywhere.

Of course, zend_bool is retained as an alias.

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Warning promotion: Throw on writing invalid XML tag names

This change throws a ValueError when an invalid tag name is passed
to XMLWriter.

The rationale is that this indicates a

Warning promotion: Throw on writing invalid XML tag names

This change throws a ValueError when an invalid tag name is passed
to XMLWriter.

The rationale is that this indicates a programming error because
tag names typically originate from string literals or application
code generating them. This translates into either a typo or a flaw
in tag generation logic.

Closes GH-6233.

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Fix UNKNOWN default values in various extensions

Closes GH-6075

Promote warnings to exceptions in ext/soap and ext/xmlwriter

Closes GH-5998

Throw Error on uninitialized XMLWriter

Remove proto comments from C files

Closes GH-5758

FR #79344: xmlwriter_write_attribute_ns: $prefix should be nullable

The `$prefix` parameter of `xmlwriter_write_element_ns()` and
`xmlwriter_start_element_ns()` is nullable, what allows

FR #79344: xmlwriter_write_attribute_ns: $prefix should be nullable

The `$prefix` parameter of `xmlwriter_write_element_ns()` and
`xmlwriter_start_element_ns()` is nullable, what allows these functions
to be used instead of their non NS variants. Consequently, we make the
`$prefix` parameter of `xmlwriter_write_attribute_ns()` and
`xmlwriter_start_attribute_ns()` nullable as well.

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Generate function entries from stubs for a couple of extensions

Migrates ext/standard, ext/tidy, ext/tokenizer,
ext/xml, ext/xml_reader, and ext/xml_writer. Closes GH-5381.

Merge branch 'PHP-7.4'

* PHP-7.4:
Fix #79191: Error in SoapClient ctor disables DOMDocument::save()

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79191: Error in SoapClient ctor disables DOMDocument::save()

Fix #79191: Error in SoapClient ctor disables DOMDocument::save()

The culprit is the too restrictive fix for bug #71536, which prevents
`php_libxml_streams_IO_write()` from properly exec

Fix #79191: Error in SoapClient ctor disables DOMDocument::save()

The culprit is the too restrictive fix for bug #71536, which prevents
`php_libxml_streams_IO_write()` from properly executing when unclean
shutdown is flagged. A *more* suitable solution is to move the
`xmlwriter_free_resource_ptr()` call from the `free_obj` handler to an
added `dtor_obj` handler, to avoid to write to a closed stream in case
of late object freeing. This makes the `EG(active)` guard superfluous.

We also fix bug79029.phpt which has to use different variables for the
three parts to actually check the original shutdown issue.

Thanks to bwoebi and daverandom for helping to investigate this issue.

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Use RETURN_THROWS() after zend_parse_method_parameters()

Use RETURN_THROWS() during ZPP in most of the extensions

Except for some bigger ones: reflection, sodium, spl

Fixed bug #79029 (Use After Free's in XMLReader / XMLWriter).

We backport the fix PHP 7.3, since this branch is affected as well.

(cherry picked from commit b5e004379647bd1ebb75eb2e

Fixed bug #79029 (Use After Free's in XMLReader / XMLWriter).

We backport the fix PHP 7.3, since this branch is affected as well.

(cherry picked from commit b5e004379647bd1ebb75eb2eac8826fb6abdd3d8)
(cherry picked from commit e36daa6927c05d2e687bb77495ef206cde118b33)
(cherry picked from commit 2704ee6844c03348de9d15e74646d09007ef0f7c)

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Partial fix for bug #79029

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Employ zend_parse_method_parameters()

Change XMLWriter resources to objects

While we generally prefer objects over resources for quite a while, the
procedural XMLWriter API still uses resources, although there is
already

Change XMLWriter resources to objects

While we generally prefer objects over resources for quite a while, the
procedural XMLWriter API still uses resources, although there is
already an object-oriented API which uses objects. This dichotomy
makes no sense, slightly complicates the implementation, and doesn't
allow a stepwise migration to the object-oriented API, which might be
desired. Thus we completely drop the XMLWriter resources in favor of
XMLWriter objects.

We consider the minor BC break acceptable for a major version, since
only explicit type checks (`is_resource()`, `gettype()` etc.) need to
be adapted.

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Merge branch 'PHP-7.4'

* PHP-7.4:
Add missing argument checks