Revert "#include cleanup (#10216)"

Cf. <https://github.com/php/php-src/pull/10220#issuecomment-1383739816>.

This reverts commit e628c66f9d4173e585081ddef358505433f9a288.

#include cleanup (#10216)

Shift header include

In the C file, include the header first so missing #includes are
detected by the compiler, and use lighter header dependencies in

#include cleanup (#10216)

Shift header include

In the C file, include the header first so missing #includes are
detected by the compiler, and use lighter header dependencies in the
header, to speed up compile times.

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Remove zend_qsort

This has been superseded by zend_sort and is no longer used.

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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Adios, yearly copyright ranges

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Trailing whitespaces

Signed-off-by: Gabriel Caruso <carusogabriel34@gmail.com>

year++

further sync for vim mode lines

Update copyright headers to 2017

bump year which is missed in rev 49493a2

fix possible overflow

Only use explicit ">" in sorting algo

Don't use >= as sorting condition

which could avoid breaking usage like:

usort($a, function($a, $b) { return $a > $b; })

bump year

optimize offset computation

don't return value in the void function

fix "unknown void * size" err

Merge branch 'zend_sort' of https://github.com/laruence/php-src

Faster sorting algo