Programmer 
Content
function register if (lempty (POST)) ( Smsa 1f (S POSTI ‘user name’ 1) if (SPOST( ‘userpasswordnew’ 1) if (SPOBT ‘userpasswordnew’) wam SPOSTI ‘userpasawordrepeat’1) ( if (atrien (POST( ‘usorpasswordnew’ )) 5) ( if (atrion (POST ‘usernasso’1) 65 L6 atrlon(PPOST( ‘usorname’)) 1) ( 1f (pregmatch( (a-qd) (2,64)S1′, SPOST(‘ username 1)) ( – readUser (SPOST(‘usernano’ 1); 16 (lisset (Sumer (‘username’ 1)) ( 1f (9POST( ‘useremail 1) ( If (atrion (POST(‘usoroma11’ )) 65) ( 11 (filtervar (9POST ( ‘useremail’), PILTER VALIDNTE EMAIL)) ( creatouser () 7 SESSION( ‘mag’ ) a ‘You are nos a registered so please login’: header (‘Locations SSERVER( ‘PHP SELP’1)) exit()) else Smag ‘You must provido a valid email addross else Smag – ‘Email must be leus than 64 charactors’; ) else Smog Small cannot be empty; ) elso Smog – ‘Username already exieta’, )olso mag ‘Usornamo must be only a-2, 1-2, 0-9’; 018o Smsg Veername must be botwoon 2 and 64 charactors elso Sasg a PAssword most be at leaet 6 charactors: else Smag a ‘Passworde do not match’; Empty Password 01so Smsg ‘Empty Voername!) SESSION( mog’ – Smeg; register form();