Fix spelling and grammar mistakes

This PR corrects misspellings identified by the check-spelling action.

The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465

Fix spelling and grammar mistakes

This PR corrects misspellings identified by the check-spelling action.

The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465

The action reports that the changes in this PR would make it happy: jsoref@602417c

Closes GH-6822.

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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 HAVE_STRING_H

The C89 standard and later defines the `<string.h>` header as part of
the standard headers [1] and on current systems it is always present.

Code included al

Remove HAVE_STRING_H

The C89 standard and later defines the `<string.h>` header as part of
the standard headers [1] and on current systems it is always present.

Code included also `<strings.h>` header as an alterinative in some
files. This kind of check was relevant on some older systems where the
`<strings.h>` file included definitions for the C89 compliant
`<string.h>`. Today such alternative check is not required anymore. The
`<strings.h>` file is part of the POSIX definition these days.

Also Autoconf suggests doing this and relying on C89 or above [2] and [3].

This patch also cleans few unused `<strings.h>` inclusions in the libmbfl.

[1]: https://port70.net/~nsz/c/c89/c89-draft.html#4.1.2
[2]: http://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/headers.m4
[3]: https://www.gnu.org/software/autoconf/manual/autoconf-2.69/autoconf.html

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Remove HAVE_STDLIB_H

The C89 and later standard defines the `<stdlib.h>` header as part of
the standard headers [1] and on current systems it is always present
and the `HAVE_STDLIB_H

Remove HAVE_STDLIB_H

The C89 and later standard defines the `<stdlib.h>` header as part of
the standard headers [1] and on current systems it is always present
and the `HAVE_STDLIB_H` symbol can be removed.

Also Autoconf suggests doing this and relying on C89 or above [2] and [3].

[1] https://port70.net/~nsz/c/c89/c89-draft.html#4.1.2
[2] http://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/headers.m4
[3] https://www.gnu.org/software/autoconf/manual/autoconf-2.69/autoconf.html

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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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- Fix outside-source-tree builds. Always include generated header files
with #include <some_header.h> to make sure the correct file is used.

ws fixes + missing $Id$ tags, headers added

- Don't wrap lines... this is annoying while coding.

Fix folding and clean up some extensions

vim-6 does folding - clean up a bunch of missing folding tags plus
some misguided RINIT and RSHUTDOWN calls in a few fringe extensions

There is no reason to define malloc() to xmalloc() in this context.

* Get Apache to work. POST doesn't work yet.
* There are now -I directives for the absolute path of php4, php4/libzend and the builddir for
the Apache module, so we can #include any php/Ze

* Get Apache to work. POST doesn't work yet.
* There are now -I directives for the absolute path of php4, php4/libzend and the builddir for
the Apache module, so we can #include any php/Zend header.
* Rename config.h to php_config.h

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PHP 4.0