Declare array|int and object-of-class|int types in stubs

Closes GH-6081

Co-Authored-By: Nikita Popov <nikic@php.net>

Promote warnings to exceptions in ext/filter

Closes GH-5970

Remove proto comments from C files

Closes GH-5758

Constify char * arguments of APIs

Closes GH-5676.

Generate functions entries from stubs for another set of extensions

Closes GH-5351

Use ZEND_THROWS() during ZPP in enchant, exif, fileinfo, filter, and FTP extensions

Add FILTER_VALIDATE_BOOL as alias for FILTER_VALIDATE_BOOLEAN

Both filters are equivalent, but FILTER_VALIDATE_BOOL uses our
canonical name for the type (the only one permitted in type

Add FILTER_VALIDATE_BOOL as alias for FILTER_VALIDATE_BOOLEAN

Both filters are equivalent, but FILTER_VALIDATE_BOOL uses our
canonical name for the type (the only one permitted in type
declarations for example), so the new name is preferred long
term.

The old name may be deprecated in the future, but no specific
timeline is planned.

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Remove FILTER_SANITIZE_MAGIC_QUOTES filter

Cleanup return values when parameter parsing is unsuccessful

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Add stubs for filter extension

Closes GH-4542.

Deprecate FILTER_SANITIZE_MAGIC_QUOTES

Remove INPUT_SESSION and INPUT_REQUEST

These were never supported and always generated a warning. Remove
them entirely for PHP 8.

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly used by Vim and Emacs editors
yet with recent changes the once working definitions don't work
anymore in Vim without custom plugins or additional configuration.
Neither are these settings synced across the PHP code base.

A simpler and better approach is EditorConfig and fixing code
using some code style fixing tools in the future instead.

This patch also removes the so called modelines for Vim. Modelines
allow Vim editor specifically to set some editor configuration such as
syntax highlighting, indentation style and tab width to be set in the
first line or the last 5 lines per file basis. Since the php test
files have syntax highlighting already set in most editors properly and
EditorConfig takes care of the indentation settings, this patch removes
these as well for the Vim 6.0 and newer versions.

With the removal of local variables for certain editors such as
Emacs and Vim, the footer is also probably not needed anymore when
creating extensions using ext_skel.php script.

Additionally, Vim modelines for setting php syntax and some editor
settings has been removed from some *.phpt files. All these are
mostly not relevant for phpt files neither work properly in the
middle of the file.

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Remove yearly range from copyright notice

Remove year range from copyright notice

Remove FILTER_FLAG_(SCHEME|HOST)_REQUIRED

Deprecated in PHP 7.3 as part of
https://wiki.php.net/rfc/deprecations_php_7_3.

Removed useless zval_ptr_dtor(return_value)

Remove HASH_OF uses in ext/filter

It turns out that all of these places ultimately only accept arrays,
not objects, so we can use Z_ARRVAL_P everywhere.

Also add _deref in a few

Remove HASH_OF uses in ext/filter

It turns out that all of these places ultimately only accept arrays,
not objects, so we can use Z_ARRVAL_P everywhere.

Also add _deref in a few places where the hash lookup result is
directly type-checked.

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Remove some redundant uses of HASH_OF

GET etc are always arrays, they cannot be objects. We just need to
check that they are initialized.

Remember redundant check in filter.c

We already check existence through zend_hash_str_find, no need
to check it twice.

The session_array global is not used at all, so comment it out for now

Added the 'add_slashes' sanitization filter (FILTER_SANITIZE_ADD_SLASHES) as an alias to 'magic_quotes' (FILTER_SANITIZE_MAGIC_QUOTES) so we can move past our "magical" legacy.

Fixed bug #76366 (references in sub-array for filtering breaks the filter)

Remove unnecessary uses of z/ parameters