The manual is rather sparse about the ternary operator, you may find one sentence about it here: http://php.he.net/manual/en/language.operators.comparison.php
Basically if the expression before the ? evaluates to true then the whole expression evaluates to the expression after the ?. If the expression before the ? evaluates to false then the whole expression evaluates to the expression after the : This is a really effective shorthand for if..then...else if you are just going to assign different values to a variable based on the outcome of the if statement. Fred Gerard Samuel <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi. Im looking over someone else's code and I come across something I > dont understand and dont know where in the manual to look for it. > Here is an example ==> > > $string1 = (isset($string2)) ? $HTTP_GET_VARS['pid'] : ""; > > I have no idea what the '?' in the line and the ':' at the end, so I > have no way of interpreting what $string1 could be. > If you could point me to the page in the manual that would be great. > > Thanks... > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
