Check assert only when RC_DEBUG is enabled

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

Delay hash table allocation

Fix some sign-related issues in comparisons

Fix compilation on x32

Signed-off-by: Elan Ruusamäe <glen@pld-linux.org>

Future-proof email addresses

Update email addresses. We're still @Zend, but future proofing it...

Improved shared interned strings handling. The previous implementation worked incorrectly in ZTS build. It changed strings only in function/class tables of one thread. Now all threads gets the same s

Improved shared interned strings handling. The previous implementation worked incorrectly in ZTS build. It changed strings only in function/class tables of one thread. Now all threads gets the same shared interned strings. Also, on shutdown, we don't try to replace SHM interned strings back to process strings, but delay dettachment of SHM instead.

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Trim trailing whitespace in source code files

Remove old SVN keywords substitutions

When the PHP source code was versioned in Subversion, there was
possible to substitute certain keywords such as $Id$ with revision
number, last

Remove old SVN keywords substitutions

When the PHP source code was versioned in Subversion, there was
possible to substitute certain keywords such as $Id$ with revision
number, last change time and author name. Such approach is not used
in Git so this patch removes these outdated artifacts from source
code files.

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micro optimization

Use "fastcall" calling convention

Optimize zend_hash_real_init()

Use macros to update specific parts of GC_TYPE_INFO() (direct assignments to GC_TYPE(), GC_FLAGS() and GC_INFO() are prohibited)

Fixed string comparison (it may fail in case of not null-terminated strings)

Restore initial values on graceful server restart.

year++

year++

year++

Fixed possible local assembler labels conflicts.

Fix movzb operand size

Use local labels

Fixed gcc assembler constaints.
Added less efecient replacement functions for valgrind, to prevent warnings about uninitialized tail.

Use unsigned comparison instructions