Handle trampolines correctly in new FCC API + usages (#9877)

Only use FCC for libxml entity loader callback

Add libxml_get_external_entity_loader()

Add libxml_get_external_entity_loader(), which returns the currently
installed external entity loader, i.e. the value which was passed to
libx

Add libxml_get_external_entity_loader()

Add libxml_get_external_entity_loader(), which returns the currently
installed external entity loader, i.e. the value which was passed to
libxml_set_external_entity_loader() or null if no loader was installed
and the default entity loader will be used.

This allows libraries to save and restore the loader, controlling entity
expansion without interfering with the rest of the application.

Add macro Z_PARAM_FUNC_OR_NULL_WITH_ZVAL(). This allows us to get the
zval for a callable parameter without duplicating callable argument
parsing.

The saved zval keeps the object needed for fcc/fci alive, simplifying
memory management.

Fixes #76763.

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xmlRelaxNGCleanupTypes() is deprecated as of libxml2 2.10.0

The documentation[1] suggest to call `xmlCleanupParser()` instead, but
we are not doing that for reasons[2]. Thus, we do no l

xmlRelaxNGCleanupTypes() is deprecated as of libxml2 2.10.0

The documentation[1] suggest to call `xmlCleanupParser()` instead, but
we are not doing that for reasons[2]. Thus, we do no longer call
`xmlRelaxNGCleanupTypes()` for libxml2 ≥ 2.10.0.

[1] <https://gnome.pages.gitlab.gnome.org/libxml2/devhelp/libxml2-relaxng.html#xmlRelaxNGCleanupTypes>
[2] <https://github.com/php/php-src/commit/8742276eb3905eb97a585417000c7b8df85006d4>

Closes GH-9417.

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Declare ext/libxml constants in stubs (#8721)

Optimize stripos/stristr

Closes GH-7847
Closes GH-7852

Previously stripos/stristr would lowercase both the haystack and the
needle to reuse strpos. The approach in this PR i

Optimize stripos/stristr

Closes GH-7847
Closes GH-7852

Previously stripos/stristr would lowercase both the haystack and the
needle to reuse strpos. The approach in this PR is similar to strpos.
memchr is highly optimized so we're using it to search for the first
character of the needle in the haystack. If we find it we compare the
remaining characters of the needle manually.

The new implementation seems to perform about half as well as strpos (as
two memchr calls are necessary to find the next candidate).

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Fix #79971: special character is breaking the path in xml function

The libxml based XML functions accepting a filename actually accept
URIs with possibly percent-encoded characters. Per

Fix #79971: special character is breaking the path in xml function

The libxml based XML functions accepting a filename actually accept
URIs with possibly percent-encoded characters. Percent-encoded NUL
bytes lead to truncation, like non-encoded NUL bytes would. We catch
those, and let the functions fail with a respective warning.

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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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Introduce pseudo-keyword ZEND_FALLTHROUGH

And use it instead of comments

Fix #73533: Invalid memory access in php_libxml_xmlCheckUTF8

A string passed to `php_libxml_xmlCheckUTF8()` may be longer than
1<<31-1 bytes, so we're better using a `size_t`.

C

Fix #73533: Invalid memory access in php_libxml_xmlCheckUTF8

A string passed to `php_libxml_xmlCheckUTF8()` may be longer than
1<<31-1 bytes, so we're better using a `size_t`.

Closes GH-6802.

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Fix #51903: simplexml_load_file() doesn't use HTTP headers

The `encoding` attribute of the XML declaration is optional; it is good
practice to use external encoding information where ava

Fix #51903: simplexml_load_file() doesn't use HTTP headers

The `encoding` attribute of the XML declaration is optional; it is good
practice to use external encoding information where available if it is
missing. Thus, we check for `charset` info of `Content-Type` headers,
and see whether the encoding is supported.

We cater to trailing parameters and quoted-strings, but not to escaped
backslashes and quotes in quoted-strings, since no known character
encoding contains these anyway.

Co-authored-by: Michael Wallner <mike@php.net>

Closes GH-6747.

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Add support for generating class entries from stubs

Closes GH-6289

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

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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Try to fix windows build

Add declared properties to LibXMLError

Partially addresses bug #79804.

Remove no_separation flag

Remove proto comments from C files

Closes GH-5758

Don't throw warning if exception thrown during dom validation

Revert "Revert "Merge branch 'PHP-7.4'""

This reverts commit 28e650a, which reverted commit 046dcfb, which had
to be reverted due to phpdbg issues. The culprit was that we did not
p

Revert "Revert "Merge branch 'PHP-7.4'""

This reverts commit 28e650a, which reverted commit 046dcfb, which had
to be reverted due to phpdbg issues. The culprit was that we did not
properly reset `zend_handler_table` to `NULL`, which is required for
SAPIs which may restart the engine after shutdown.

[1] <http://git.php.net/?p=php-src.git;a=commit;h=28e650abf8097a28789a005e5028fee095359583>
[2] <http://git.php.net/?p=php-src.git;a=commit;h=046dcfb531e242d36a7af2942b9b148290c3c7fe>

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Fix [-Wundef] warnings in libxml extension

Use ZEND_FCI_INITIALIZED macro

Instead of manually checking that the fci.size is different than 0

Allow null callback to array_filter()

With same behavior as not passing it.

Fix UNKNOWN default values in various extensions

Closes GH-5514

Fix function libxml free error signature

Fixes a -Wcast-function-type warning.

Generate function entries for another batch of extensions

Closes GH-5352