Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix persistent smart_str allocation

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix persistent smart_str allocation

Fix persistent smart_str allocation

This would allocate a too small buffer if the first smart_str
allocation is > SMART_STR_START_LEN but <= SMART_STR_START_SIZE.

Fix bug #81303 improve match errors

Add additional double to string APIs

zend_double_to_str() converts a double to string in the way that
(string) would (using %.*H using precision).

smart_str_append_double() prov

Add additional double to string APIs

zend_double_to_str() converts a double to string in the way that
(string) would (using %.*H using precision).

smart_str_append_double() provides some more fine control over
the precision, and whether a zero fraction should be appeneded
for whole numbers.

A caveat here is that raw calls to zend_gcvt and going through
s*printf has slightly different behavior for the degenarate
precision=0 case. zend_gcvt will add a dummy E+0 in that case,
while s*printf convert this to precision=1 and will not. I'm
going with the s*printf behavior here, which is more common,
but does result in a minor change to the precision.phpt test.

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Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Remove mention of PHP major version in Copyright headers

Closes GH-4732.

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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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fixed bug #77329 (Buffer Overflow via overly long Error Messages)

Fixed bug #77329 (Buffer Overflow via overly long Error Messages)

Remove yearly range from copyright notice

Future-proof email addresses

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

Fastcall calling convention is not comaptible with variable number of arguments

year++

Switch to ZMM routines, closes #2917

Zend MM related tunning.

Reduce smart_string related reallocations and make them Zend MM friendly.

further sync for vim mode lines

Update copyright headers to 2017

Add smart_str_append_printf

Merge branch 'PHP-7.0'

bump year which is missed in rev 49493a2

cleanup

Use ZSTR_ API to access zend_string elements (this is just renaming without semantick changes).