if one string or another string equals third string

Question

I have been racking my brain for a bit and getting nowhere. I'm probably missing something really simple, but what I effectively need is.

if string 1 or 2 is set then compare with string 3 providing string 3 is not null.

if($_SESSION['code'] || $_GET['id'] <> $_POST['code'] && isset($_POST['code']))

What are you comparing to string 3? Also, what are you doing with the comparison? — RonaldBarzell
– RonaldBarzell, Commented Nov 28, 2012 at 1:01

Benjamin Powers · Accepted Answer · 2012-11-28 01:02:40Z

1

I'm not sure I follow, but you're logic seems to state:

if(isset($string3)){
    if(isset($string1)){
         strcmp($string1,$string3);
    }elseif(isset($string2)){
         strcmp($string2,$string3);
    }
}

answered Nov 28, 2012 at 1:02

Benjamin Powers

3,2862 gold badges20 silver badges23 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

iceiceady Over a year ago

I want it to be all in the same if statement if possible.

Benjamin Powers Over a year ago

if you're looking to do a different strcmp based on the conditions, you couldn't technically have everything within a single if. If you're looking to just have everything on the same line, you could go ternary. i.e. $res = (isset($string3))? (isset($string1))?strcmp($string1,$string3):strcmp($string2,$string3): null;

Kai Qing · Accepted Answer · 2012-11-28 01:01:44Z

0

if(isset($string3) && ((isset($string1) && $string1 == $string3) || (isset($string2) && $string2 == $string3)))

Something like this would work. First see if isset $string3. Then a wrapped or operator individually checking isset $string1 or 2 and if they equal string 3.

answered Nov 28, 2012 at 1:01

Kai Qing

18.9k6 gold badges41 silver badges61 bronze badges

Comments

Niet the Dark Absol · Accepted Answer · 2012-11-28 01:02:05Z

0

if( ($a = $_SESSION['code'] ? $_SESSION['code'] : $_GET['id'])
 && isset($_POST['code']) && $a == $_POST['code']) {

If you want $_GET['id'] to override $_SESSION['code'] in the case that both are set:

if( ($a = $_GET['id'] ? $_GET['id'] : $_SESSION['code'])
 && isset($_POST['code']) && $a == $_POST['code']) {

More correctly:

if( (isset($_SESSION['code']) || isset($_GET['id']))
 && ($a = isset($_GET['id']) ? $_GET['id'] : $_SESSION['code'])
 && isset($_POST['code']) && $a == $_POST['code']) {

answered Nov 28, 2012 at 1:02

Niet the Dark Absol

326k86 gold badges480 silver badges604 bronze badges

Comments

Sam · Accepted Answer · 2012-11-28 01:04:21Z

0

if((!empty($_POST['code']) || !empty($_SESSION['code'])) && $_GET['id']<>$_POST['code']){

answered Nov 28, 2012 at 1:04

Sam

2,9701 gold badge20 silver badges26 bronze badges

1 Comment

Marcel Gosselin Over a year ago

Please explain why your answer would be good, not only a line of code. See FAQ item 9

SubRed · Accepted Answer · 2012-11-28 01:04:23Z

0

This could be

if(!empty($_SESSION['code']) && !empty($_GET['id']) && !empty($_POST['code'])
    ($_SESSION['code'] == $_POST['code'] || $_GET['id'] == $_POST['code']))

This means all the variables must be set and have value then it compares if the $_SESSION['code'] or $_GET['id'] is equal with the $_POST['code']

answered Nov 28, 2012 at 1:04

SubRed

3,1871 gold badge21 silver badges17 bronze badges

Collectives™ on Stack Overflow

if one string or another string equals third string

5 Answers 5

2 Comments

Comments

Comments

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

5 Answers 5

2 Comments

Comments

Comments

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related