nuk3 — Mon, 25 Nov 2002 04:48:36 +0000

Ok thanks for that..

TonyMontana — Sun, 24 Nov 2002 06:41:08 +0000

$a + $a = "$total";

$total first needs to be defined, 'given a value', and since it needs to be evaluated, omit the quotation marks, ie:

<?php
$a = 6;
$total = $a + $a;

echo $total;
?>

Cheers,

TonyMontana

nuk3 — Sat, 23 Nov 2002 00:39:07 +0000

Quote:
Mark, you'd be an excellent teacher. Scratch that, you ARE an excellent teacher.

Yes he is a good teacher!

Suzanne — Wed, 20 Nov 2002 14:34:04 +0000

Mark, you'd be an excellent teacher. Scratch that, you ARE an excellent teacher.

nuk3 — Wed, 20 Nov 2002 08:45:32 +0000

Ok I think I understand it now. There are just a few new things that you are using above which I've never seen before.. Thanks allot for your help Mark

Mark Hensler — Wed, 20 Nov 2002 08:39:32 +0000

a few comments inset...

<?php
// counters
$cnt_right = 0;
$cnt_wrong = 0;

// array of questions and correct answers
$question = array ( \"This Quiz is made by who?\", \"Question2\", \"Question3\", \"Question4\", \"Question5\" );
$answer = array ( \"Owen\", \"Blah2\", \"Blah3\", \"Blah4\", \"Blah5\" );

// init counter to zero
$i=0;

// loop while there is a question and answer
while (isset($question[$i]) && isset($answer[$i])) {
    // \"Question 1: This Quiz is made by who?\"
    // \"Your Answer: John Doe\"
    // \"Correct Answer: Owen\"
    print (\"Question \".($i+1).\": $question[$i]\n\");
    print (\"Your Answer: \".${'q'.($i+1)}.\"\n\");
    print (\"Correct Answer: $answer[$i]\n\");
    
    print (\"Result: \");
    
    // IF the answer for the current question EQUALS the answer provided in the
    // form THEN
    // 
    // to be even more detailed....
    // ${'q'.($i+1)} is a dynamic variable
    // when on quesion 1, the valiable being accessed will be $q1
    // when on question 2, it will be $q2
    // etc., etc., so on, and so forth
    // when on question 5, it will be $q5
    if ($answer[$i] == ${'q'.($i+1)}) { 
        print (\"You got it right!\");
        
        // increment counter for correct answers
        $cnt_right++;
    }
    else {
        print (\"You got it wrong!\");
        
        // increment counter for wrong answers
        $cnt_wrong++;
    }
    $i++;
} // loop

print (\"Final Results:\n\");
print (\"Total Correct: $cnt_right\n\");
print (\"Total Wrong: $cnt_wrong\n\");
?>

Do you have any specific quesitons?

nuk3 — Wed, 20 Nov 2002 08:30:30 +0000

I dont understand a thing above lol

Mark Hensler — Wed, 20 Nov 2002 08:27:23 +0000

try this:

<?php
$cnt_right = 0;
$cnt_wrong = 0;

$question = array ( \"This Quiz is made by who?\", \"Question2\", \"Question3\", \"Question4\", \"Question5\" );
$answer = array ( \"Owen\", \"Blah2\", \"Blah3\", \"Blah4\", \"Blah5\" );

$i=0;
while (isset($question[$i]) && isset($answer[$i])) {
    print (\"Question \".($i+1).\": $question[$i]\n\");
    print (\"Your Answer: \".${'q'.$i}.\"\n\");
    print (\"Correct Answer: $answer[$i]\n\");
    
    print (\"Result: \");
    
    if ($answer[$i] == ${'q'.$i}) { 
        print (\"You got it right!\");
        $cnt_right++;
    }
    else {
        print (\"You got it wrong!\");
        $cnt_wrong++;
    }
    $i++;
}

print (\"Final Results:\n\");
print (\"Total Correct: $cnt_right\n\");
print (\"Total Wrong: $cnt_wrong\n\");
?>

nuk3 — Wed, 20 Nov 2002 08:17:44 +0000

I'm creating a quiz script and I need to add up all the values that were correct. I'm wondering how I would go about this.

Here is the code, I know its bulky but I'm still learning..

<?php
$right = \"You got it right!\";
$wrong = \"You got it wrong!\";

$question = array ( \"This Quiz is made by who?\", \"Question2\", \"Question3\", \"Question4\", \"Question5\", \"Question6\", \"Question7\", \"Question8\", \"Question9\", \"Question10\" );
$answer = array ( \"Owen\", \"Blah2\", \"Blah3\", \"Blah4\", \"Blah5\", \"Blah6\", \"Blah7\", \"Blah8\", \"Blah9\", \"Blah10\" );

print (\"Question 1 :\"); 
print (\"Question: $question[0]\"); 
print (\"Your Answer: $q1\"); 
print (\"Correct Answer: $answer[0]\"); 

print (\"Result: \"); 
if ($answer[0] == \"$q1\") { 
print (\"$right\"); } else {
print (\"$wrong\");} 

print (\"</font>\");
?>

The $q1 variable is delivered from the option that the user selects on the previous page. I so far only have 1 question implemented. For an online demo go HERE.

Mark Hensler — Wed, 20 Nov 2002 08:02:47 +0000

$a == "1";
== is a comparison opperator, not an assignment opperator

$a + $a == "$total";
Even if we assume this was corrected to:
$a + $a = "$total";
This still would not work because $a + $a is an expression and cannot be assigned a value.