ifd_ptr           814 ext/standard/image.c 	char *ifd_data, ifd_ptr[4];
ifd_ptr           816 ext/standard/image.c 	if (php_stream_read(stream, ifd_ptr, 4) != 4)
ifd_ptr           818 ext/standard/image.c 	ifd_addr = php_ifd_get32u(ifd_ptr, motorola_intel);