AVIF support for getimagesize() and imagecreatefromstring()

Thanks to Joe Drago for help with the AVIF detection code.

Co-authored-by: Nikita Popov <nikita.ppv@googlemail.com>
C

AVIF support for getimagesize() and imagecreatefromstring()

Thanks to Joe Drago for help with the AVIF detection code.

Co-authored-by: Nikita Popov <nikita.ppv@googlemail.com>
Co-authored-by: Christoph M. Becker <cmbecker69@gmx.de>

Closes GH-7091.

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Add avif support to ext/gd

This backports avif support from upstream libgd into bundled libgd
and exposes the functionality through new imagecreatefromavif()
and imageavif() function

Add avif support to ext/gd

This backports avif support from upstream libgd into bundled libgd
and exposes the functionality through new imagecreatefromavif()
and imageavif() functions.

Closes GH-7026.

Co-authored-by: Christoph M. Becker <cmbecker69@gmx.de>

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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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Export php_gd_libgdimageptr_from_zval_p()

Some extension may need to retrieve the `gdImagePtr` from an `GdImage`
object; thus, we export the respective function. To not being forced

Export php_gd_libgdimageptr_from_zval_p()

Some extension may need to retrieve the `gdImagePtr` from an `GdImage`
object; thus, we export the respective function. To not being forced
to include gd.h in php_gd.h, we use the opaque `struct gdImageStruct *`
as return type.

We also rename php_gd2.dll to php_gd.dll, since there's not really much
point in giving the DLL a version number, since there is no php_gd.dll
for years (if there ever has been). Renaming, on the other hand,
matches the name on other systems (gd.so), and allows to actually use
`ADD_EXTENSION_DEP()`.

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Drop dead prototype

Generate functions entries from stubs for another set of extensions

Closes GH-5351

Add imagegetinterpolation()

While `imagesetinterpolation()` is available as of PHP 5.5.0,
there is no according getter function, so users would have to track the
current interpolatio

Add imagegetinterpolation()

While `imagesetinterpolation()` is available as of PHP 5.5.0,
there is no according getter function, so users would have to track the
current interpolation method manually.

To remedy this, we introduce `imagegetinterpolation()` as thin wrapper
for `gdImageGetInterpolationMethod()` (which has been introduced with
libgd 2.1.1), and use `im->interpolation_id` as fallback for older
libgd. Since our bundled libgd does not yet have this function, we add
it.

We also simplify the recently introduced bug79068.phpt, where it is
sufficient to check that the interpolation method has not been changed.

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Remove unused code

These are left-overs from image2wbmp(), which has already been removed.

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

cleanup gd build with system libgd - drop need to use libpng with system libgd - drop need to use libjpeg with system libgd - drop need to use libXpm with system libgd - drop need to use libfreetype

cleanup gd build with system libgd - drop need to use libpng with system libgd - drop need to use libjpeg with system libgd - drop need to use libXpm with system libgd - drop need to use libfreetype with system libgd - improve configure comments

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Drop superfluous ENABLE_GD_TTF

If we `HAVE_LIBFREETYPE`, we define `ENABLE_GD_TTF` if it is not
defined. Therefore we can check for `HAVE_LIBFREETYPE` in the first
place.

Properly shut down font cache mutex

Since the font cache mutex in set up in MINIT, we have to shut it down
in MSHUTDOWN.

Support TGA reading

We add PHP bindings for libgd's features to read TGA files, which are
available as of libgd 2.1.0.

As PHP's bundled libgd doesn't yet include the respective

Support TGA reading

We add PHP bindings for libgd's features to read TGA files, which are
available as of libgd 2.1.0.

As PHP's bundled libgd doesn't yet include the respective features of the
external libgd, we add these.

Since TGA has no easily recognizable file signature, we don't add TGA
support for imagecreatefromstring() or getimagesize() and friends.

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Remove yearly range from copyright notice

Remove year range from copyright notice

Remove deprecated png2wbmp() and jpeg2wbmp()

Cf. <https://wiki.php.net/rfc/deprecate-png-jpeg-2wbmp>

Remove deprecated image2wbmp()

Cf. <https://wiki.php.net/rfc/image2wbmp>.

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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year++

year++

year++

Replace magic values with constants

Add support for webp in imagecreatefromstring

Update copyright headers to 2017

Update copyright headers to 2017