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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Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occur

Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occurances should be replaced by zval_ptr_dtor() or zval_ptr_dtor_nogc(), or even more specialized destructors.

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Reduce variable scope

Remove version checks

PHP_VERSION_ID
PHP_API_VERSION
ZEND_MODULE_API_NO
PHP_MAJOR_VERSION, PHP_MINOR_VERSION
ZEND_ENGINE_2

I've left litespeed alone, as it seems to

Remove version checks

PHP_VERSION_ID
PHP_API_VERSION
ZEND_MODULE_API_NO
PHP_MAJOR_VERSION, PHP_MINOR_VERSION
ZEND_ENGINE_2

I've left litespeed alone, as it seems to genuinely maintain support
for many PHP versions.

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Cleanup (avoid string reallocations)

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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cleanup intl types

first shot remove TSRMLS_* things

typo fixes - https://github.com/vlajos/misspell_fixer

bring back all the TSRMLS_FETCH() stuff

for better comparability with the mainstream

cleanup TSRMLS_FETCH

s/PHP 5/PHP 7/

master renames phase 1

ported ext/intl, bugfixes to go

basic macro replacements, all at once

Fixed version id

Better version checking

update zend_make_printable_zval to take TSRM context

Fixed valgrind issues

Changed zend_make_printable_zval() to return "use_copy" instead of additional reference argument.
Improved branch prediction.

Fixed collator_sort

Refactoring ext/intl (incompleted)

HASH_KEY_NON_EXISTANT fix

Remove executable bit from files