IF OR statements

[rhyspaterson]

Hey guys,

 

Just been playing around with some IF OR arrays and i was wondering if you could shed some light. The following code:

 

if ($arrayTextPlain[1] != "$registrationID" . "1" || $arrayTextPlain[1] != "$registrationID" . "2") {

//reg id doesn't match			  

} else {

//reg id matches
}

 

Returns false. I.e the reg ID's don't match. However, if i switch them around:

 

if ($arrayTextPlain[1] != "$registrationID" . "2" || $arrayTextPlain[1] != "$registrationID" . "1") {

//reg id doesn't match			  

} else {

//reg id matches
}

 

It returns true. The reg ID's do match. Shouldn't the first one work as well? Isn't that the point of an OR statement? Or have i just not got the syntax correct..?

 

(The reg ID's in the array are meant to match with . "1" and . "2" btw)

 

Thanks lads.

[rhyspaterson]

No suggestions lads?

[Trium918]

No suggestions lads?

 

Where are you defining your array and variables?

[kenrbnsn]

We need more information.

 

What are the values of "$arrayTextPlain[1]" and "$registrationID"?

 

Ken

 

 

BTW, don't bump your thread too quickly.

[rhyspaterson]

$registrationID = $_POST['registrationID']; - The input from a form

$arrayTextPlain being an array that i have outputted the contents of a file to. $arrayTextPlain[1] being a line in the array.

 

Both are defined just above the IF OR statement.

 

But i mean, it's more the logic and syntax i am confused about. I know for a fact the variables i am comparing match. So theoretically my first IF OR statement should work. Not just the second one.

 

Edit/ sorry for bump.

[per1os]

Let's do some testing shall we?

 

<?php
if ($arrayTextPlain[1] != $registrationID . "2" || $arrayTextPlain[1] != $registrationID . "1") {
    if ($arrayTextPlain[1] != $registrationID . "2") {
           echo 'Test1: ' . $arrayTextPlain[1] . ' did eqaul ' . $registrationID . '2<br />';
    }else {
           echo 'Test1: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '2<br />';
    }

    if ($arrayTextPlain[1] != $registrationID . "1") {
           echo 'Test2: ' .$arrayTextPlain[1] . ' did eqaul ' . $registrationID . '1<br />';
    }else {
           echo 'Test2: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '1<br />';
    }

    if ($arrayTextPlain[1] != $registrationID . "1" || $arrayTextPlain[1] != $registrationID . "2") {
           if ($arrayTextPlain[1] != $registrationID . "1") {
                echo 'Test3: ' . $arrayTextPlain[1] . ' did eqaul ' . $registrationID . '1<br />';
           }else {
                echo 'Test3: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '1<br />';
            }

            if ($arrayTextPlain[1] != $registrationID . "2") {
                echo 'Test4: ' .$arrayTextPlain[1] . ' did eqaul ' . $registrationID . '2<br />';
           }else {
                echo 'Test4: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '2<br />';
           }
    } else {
    echo 'Test3 n 4: ' . $arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '1 OR<br />';
    echo 'Test3 n 4: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '2<br />';
    }
} else {
    echo 'Test1 n 2: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '2 OR<br />';
    echo 'Test1 n 2: ' .$arrayTextPlain[1] . ' did NOT eqaul ' . $registrationID . '1<br />';
}
?>

 

See what prints out and see if there is a reason why it would not be working.