_php_image_convert  142 ext/gd/gd.c    static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type);
_php_image_convert 4377 ext/gd/gd.c    	_php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG);
_php_image_convert 4387 ext/gd/gd.c    	_php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG);