The ? in this senario is called the ternary operator
basically shorthand for an if/else statement e.g
$theValue = ($theValue != "") ? "'" . $theValue . "'" :"NULL";
is the equivalent of
if($theValue != "") {
$theValue =$theValue ;
}
else{
$theValue ="NULL";
}
----- Original Message -----
From: "Jeff Field" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, May 17, 2002 6:23 PM
Subject: [PHP] what does this mean in plain english?
> Hi. I'm fairly new to PHP and programming in general. I'm learning mostly
> by deconstructing what others have written...but even though I have plenty
> of PHP books and have searched the Internet high and low, I'm stumped by
the
> exact meaning in the following function of what the question mark's ("?")
> and colon's (":"), mean and do?
>
> BTW, I'm not looking for an explanation of the function; just what the
> question mark's and colon's mean in plain english, so I'll know how to use
> them in other places. Thanks!
>
> Jeff
>
> ------------------------------------------------------
> function GetSQLValueString($theValue, $theType)
> {
> $theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) :
$theValue;
>
> switch ($theType) {
> case "text":
> $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
> break;
> case "int":
> $theValue = ($theValue != "") ? intval($theValue) : "NULL";
> break;
> }
> return $theValue;
> }
> ------------------------------------------------------
>
>
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