Negin Nickparsa am Montag, 25. August 2014 - 01:19: > why ${0} is valid but ${0 is not valid? > it means that curly braces evaluate what's inside them and that's why we > cannot have ${0? > > variables shouldn't start from 0 so it means that it started from braces? > if yes why I cannot have ${0? and what is the variable here finally? $0 is > what it interprets? if yes so it is not a legal variable > I am totally mixed up. > > > Sincerely > Negin Nickparsa > Hi, I suppose, that ${0} is interpreted as type "string". And that's legal. And ${0 is parsed as an unbalanced curly brace. And that's illegal... May be ;-) Cheers Niklaus -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php