Revert "Quick and dirty PHP7 port."

Author Piotr Pawłow <pp@siedziba.pl>
Author date 2016-09-14 15:21:01
Author local date 2016-09-14 17:21:01 +0200
Committer Piotr Pawłow <pp@siedziba.pl>
Committer date 2016-09-14 15:21:01
Committer local date 2016-09-14 17:21:01 +0200
Commit HEAD
Tree fb5c3a86d345b78101950437e515f013c74453a3
Parent 0376c1a449dc981448cef5706fcebb3e0c5b0e4b
Revert "Quick and dirty PHP7 port."

This reverts commit 87380c76cb1eb3644da7291d842281caaae63f2d.
There are much more differences between PHP5 and 7 than I anticipated.
The code doesn't work right.
Affected files:
filters/php_bumpmap.c
filters/php_colormatrix.c
filters/php_colormod.c
filters/php_hsbcolor.c
filters/php_testfilter.c
php_imlib.c
php_imlib.h
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