001+ libpng warning: Application was compiled with png.h from libpng-1.6.1
002+ libpng warning: Application is running with png.c from libpng-1.2.49
001- Warning: png2wbmp(): Invalid threshold value '9' in %s on line %d
003- Warning: png2wbmp(): Invalid threshold value '-1' in %s on line %d
004+ Parse error: imagepng(): gd-png: fatal libpng error: Incompatible libpng version in application and library
005+ in %s/png2wbmp_error1.php on line 11