Re: [PHP] empty variable

2004-09-21 Thread Chris Dowell
Just to clear up, there is no isempty() function - the correct function is empty() and its details can be found here: http://uk.php.net/empty Cheers Chris -{ Rene Brehmer }- wrote: At 01:54 20-09-2004, Chris Mach wrote: What is the best way to determine if a variable is empty? I have a feeling th

Re: [PHP] empty variable

2004-09-19 Thread Jason Davidson
if youdo if($var) { } and var doesnt exist at all, thats an error. if(isset($var)) { } will test to see if $var exists, but will not test the value of var, so $var could be blank... Jason "Pat" <[EMAIL PROTECTED]> wrote: > > So, you have to know, first, what is your meaning of your empty

Re: [PHP] empty variable

2004-09-19 Thread Pat
So, you have to know, first, what is your meaning of your empty variabe: null, 0, "", array()? For example, "$var = 0;", empty($var) says true... but you? "Jason Davidson" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > as suggeted the isset and empty functions are usefull, > or if

Re: [PHP] empty variable

2004-09-19 Thread Jason Davidson
as suggeted the isset and empty functions are usefull, or if you know it may be set, but could be empty, how about just if($variable) { } that is the same as if($var == "") "Chris Mach" <[EMAIL PROTECTED]> wrote: > > What is the best way to determine if a variable is empty? > > I have a feel

Re: [PHP] empty variable

2004-09-19 Thread -{ Rene Brehmer }-
At 01:54 20-09-2004, Chris Mach wrote: What is the best way to determine if a variable is empty? I have a feeling there is a better way than the way I'm doing it now... if ($variable == "") there's 2: if (isset($variable)) or if (isempty($variable)) what's most appropriate depends on how the variab

Re: [PHP] empty variable

2004-09-19 Thread Larry E . Ullman
What is the best way to determine if a variable is empty? I have a feeling there is a better way than the way I'm doing it now... if ($variable == "") You could try the empty() or isset() functions, depending upon exactly what you're wanting to test. See the manual for descriptions of both. Larry

RE: [PHP] Empty Variable Values Between Scripts

2004-06-08 Thread Jay Blanchard
[snip] Is there something that has to be done to php so that it sees these variables? Is this an operating system issue? Anything else I should be looking at? [/snip] register globals is off, so all of your variables are in the POST array $_POST['first'] $_POST['last'] etc. Replace all your