viewimage.php?id=3dafdf21f7d335ab67b1d1&no=24b0d769e1d32ca73dec87fa11d0283123a3619b5f9530e1a1316068e3d8ca0ed8f88aef6d54d973d57614d1d6cd1cce115c72d92da5134b93b0af9e44f7a7f9c6306d4b55e3c11fe896d0834845860b18710e1522f8506007cba9738a7da97c77d8da21c5f60d36edba75c1c8cdf0ce4f

왜 맨처음에 6이나와

ref로 받으면 result 계산해도 나중에 값이 변하나?