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ryuichimatsumoto-single/answer.php

Created September 20, 2012 11:56
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calculate?
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answer.php
<?php
/*
*問題用の配列
*
*/
$question = array
(
1 => array ("value1" => 10,"value2" => 22, "plus" => 1),
2 => array ("value1" => 2,"value2" => 4, "plus" => 2),
3 => array ("value1" => 2,"value2" => 198, "plus" => 3),
4 => array ("value1" => 20,"value2" => 20, "plus" => 4),
);
function fugou($plus)
{
if($plus == 1)
{
return "+";
}else if($plus == 2){
return "-";
}else if($plus == 3){
return "*";
}else if($plus == 4){
return "/";
}else{
//ミス入力対策
return "?";
}
}
function calculate($value1,$value2,$plus)
{
if($plus == 1)
{
return ($value1 + $value2);
}else if($plus == 2){
return ($value1 - $value2);
}else if($plus == 3){
return ($value1 * $value2);
}else if($plus == 4){
return ($value1 / $value2);
}else{
//ミス入力対策
return ($value1 + 2 * $value2);
}
}
function check($question,$answer)
{
$compare = calculate($question['value1'],$question['value2'],$question['plus']);
if($compare == $answer)
{
return "OK";
}else{
return "NG";
}
}
?>
<html>
<?php if(isset($_GET['answer_no'])){ echo check($question[$_GET['answer_no']],$_GET['answer']);} ?>
<?php echo $question[$_GET['no']]['value1']; ?><?php echo fugou($question[$_GET['no']]['plus']); ?><?php echo $question[$_GET['no']]['value2']; ?>=
<p>please input answer.</p>
<form action="answer.php" method="get">
<input type="number" name="answer">
<input type="hidden" name="no" value="<?php echo $_GET['no']+1;?>">
<input type="hidden" name="answer_no" value="<?php echo $_GET['no'];?>">
<input type="submit" value="final_answer">
</form>
</html>
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