Re: Pass Variable Names to a Function

On Feb 1, 2008 10:49 AM, Bill Guion <bguion@comcast.net> wrote: > I would like to use a function to check to see if a session variable > is set and return the session variable if it is set, and return blank > if not. Something like > > function set_var($var) > { > echo "var = $var \n"; echo "\$var = $var\n"; // :) > if (isset($_SESSION['$var'])) $_SESSION[$var] > { > return $_SESSION['$var']; $_SESSION[$var] > } > else > { > return ""; return ''; > } > } > > And I would call the function with set_var($name) or set_var($phone). > The problem is getting the function to use $var as a variable name, > rather than a value. What am I missing, please? "" means interpolate the contents. '' means use the literal content. -- Greg Donald http://destiney.com/