Use true/false instead of TRUE/FALSE in intl

And drop the U_DEFINE_TRUE_AND_FALSE flag.

Validate collator earlier during sort

Check this once before the sort, instead of on every compare.
Also directly store the UCollator to make things more obvious.

Fix a few comments

Remove proto comments from C files

Closes GH-5758

Use separate typedef for bucket comparison function

Avoid performing the same casting dance inside each sort compare
function.

Use RETURN_THROWS() after zend_parse_method_parameters()

Use RETURN_THROWS() after zend_throw_error()

Cleanup return values for Intl when parameter parsing is unsuccessful

Closes GH-4871.

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Replace ZVAL_COPY() and ZVAL_COPY_VALUE() for IS_OBJECT by cheaper macros

Intl: Don't separately report "bad arguments" errors

zpp will be throwing for these now, don't report them in addition to
that.

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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Fixed bug #75193 segfault in collator_convert_object_to_string

Fix leak in intl collator compare function

Fixed compilation warnings

E_RECOVERABLE_ERROR -> thrown Error

Fixed bug #71020 (Use after free in Collator::sortWithSortKeys)

Fixed incorrect usage of HASH_OF() macro. Replaced HASH_OF() with more appropriate Z_ARRVAL_P() or Z_OBJPROP_P().

Change array sorting implementation to avoid two level callbacks system.
Simplify zval comparion API.

Various warning fixes

Cleanup (avoid string reallocations)

Fixed bug #68848 Missing return

Faster sorting algo

trailing whitespace removal

Fix uses of zval_add_ref and add comment on usage

zval_add_ref should be used as a copy ctor, after the value was
already copied.

In particular when used with hash insertions, i

Fix uses of zval_add_ref and add comment on usage

zval_add_ref should be used as a copy ctor, after the value was
already copied.

In particular when used with hash insertions, it should be applied
to the return value of the insert function.

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