Hi All,
I am having trouble with a nested loop and I can't seem to get it figured
out.
I keep getting an error that states, Invalid argument on line 20.
Here is the code;
Sessions capture question answers that are multiple answers for each
question.
$answers =
array($_SESSION['question1'],$_SESSION['question2'],$_SESSION['question3'],$
_SESSION['question4'],
$_SESSION['question6'],$_SESSION['question7'],$_SESSION['question8'],$_SESSI
ON['question9'],
$_SESSION['question10'],$_SESSION['question11']);
I init the vars
$question = "";
$subquestion = "";
Here's the loop I'm having trouble with.
foreach ($answers as $questions) {
$question .= "__";
foreach ($questions as $subquestion) { -- Here's the offending line --
$question .= $subquestion."--";
}
}
I am inserting an array of arrays..., I know it's not the best way to do
this but I was only given a few hours to get this up.
The array is delimited by a double underscore and individual answers are
delimited by a double hyphen. Or at lease that's what's supposed to happen.
$insert_query = "INSERT INTO SurveyTable
(sur_ques_id, sur_ans, sur_num)
VALUES (1, '$questions', 1)";
$result = MSSQL_QUERY($insert_query) or die("Can not execute query
$insert_query. ");
The value in the db is either "Array" or part of the string but not the
whole string. I know the error is creating most of the problem.
I can't see what I'm doing wrong.... Why is that argument invalid?
alex hogan
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