PHP Code:
echo "UPDATE Items2 SET soditemid = '$soditemid',
Tier = '$tier',
ItemName = '$itemname',
AC = '$itemac',
STR = '$itemstr',
STA = '$itemsta',
DEX = '$itemdex',
AGI = '$itemagi',
CHA = '$itemcha',
WIS = '$itemwis',
`INT` = '$itemint',
HP = '$itemhp',
Mana = '$itemmana',
MR = '$itemmr',
FR = '$itemfr',
CR = '$itemcr',
PR = '$itempr',
DR = '$itemdr',
FT = '$itemft',
CS = '$itemcs',
MS = '$itemms',
SR = '$itemsr',
DmgR = '$itemdmgr',
Aggr = '$itemaggr',
SpellWard = '$itemsw',
Instrument = '$instrument',
InstrumentMod = '$instrumentmod',
BaneType = '$banetype',
BaneDmg = '$banedmg',
SkillMod = '$skillmod',
SkillModAmt = '$skillmodamt',
FocusEffect = '$focuseffect',
SpellEffect = '$spelleffect',
WeaponDmg = '$weapondmg',
WeaponDly = '$weapondly',
WeaponType = '$weapontype',
earslot = '$earslot',
neckslot = '$neckslot',
headslot = '$headslot',
faceslot = '$faceslot',
chestslot = '$chestslot',
backslot = '$backslot',
armslot = '$armslot',
shoulderslot = '$shoulderslot',
wristslot = '$wristslot',
waistslot = '$waistslot',
handslot = '$handslot',
fingerslot = '$fingerslot',
legslot = '$legslot',
feetslot = '$feetslot',
prislot = '$prislot',
secslot = '$secslot',
rangeslot = '$rangeslot',
ammoslot = '$ammoslot',
charmslot = '$charmslot',
aug2slot = '$aug2slot',
aug3slot = '$aug3slot',
aug5slot = '$aug5slot',
mob = '$mob',
brdclass = '$brdclass',
bstclass = '$bstclass',
clrclass = '$clrclass',
druclass = '$druclass',
encclass = '$encclass',
magclass = '$magclass',
mnkclass = '$mnkclass',
necclass = '$necclass',
palclass = '$palclass',
rngclass = '$rngclass',
rogclass = '$rogclass',
shdclass = '$shdclass',
shmclass = '$shmclass',
warclass = '$warclass',
wizclass = '$wizclass'
WHERE id = $id ";
PS: You shouldn't add quotes around values inserting into numeric columns like int,float etc.