I have an associative array consist of 4 records. there is 2 input fields called name and grade. i want to add these records inside the associative array like name=>grade. here is what i did but it does not work.
$grades = array("Jim"=>"A+","Pam"=>"B","Kevin"=>"Fail","Oscar"=>"A");
$name = $_POST['name'];
$grade = $_POST['grade'];
$length = count($grades);
for($i=0; $i<$length; $i++){
$grades = array($name => $grade);
}
echo $_POST['name'];
Why do you need the for() loop at all? There's no need to loop over the $grades array, since you're always explicitly setting a single key/value pair.
$name should be the new key, and $grade the new value, so the following should suffice:
$grades = ["Jim" => "A+", "Pam" => "B", "Kevin" => "Fail", "Oscar" => "A" ];
$name = $_POST['name'];
$grade = $_POST['grade'];
$grades[$name] = $grade;
$i, since $grades is an associative array, not a 0-indexed one... Anyway, I'm not entirely sure why you felt the need to point out an outdated edit was faulty, since it was edited to provide an accurate answer?
$_POST['name']and$_POST['grade']? What is your expected output? Now you're replacing an array 4 times and echoing something that is not your array.