002+ libpng warning: Application was compiled with png.h from libpng-1.6.26
002- The images are equal.
003+ libpng warning: Application is running with png.c from libpng-1.2.49
004+
005+ Fatal error: imagecreatefrompng(): gd-png: fatal libpng error: Incompatible libpng version in application and library
006+ in /root/download/php-5.6.28/ext/gd/tests/func.inc on line 86