How to get the value which user has selected in php? - php

Question

I have a little problem here. I have a list, which is:
<form action="display.php" method="post">
<select name="holiday">
<option value="month">Kiekvieno mėnesio skaičiavimas</option>
<option value="day">Kiekvienos dienos skaičiavimas</option>
</select>
<br> <br>
<input type="submit" name="select" value="Pasirinkti" />
</form>
What I need to do is that when the user selects value ="month", php code would do one action, and when the user selects value ="day", php code would do another action?
My php code looks like this:
<?php
if($_POST['select']){
// Storing selected value in a variable
$selectedValue= $_POST['holiday'];
}
else if ($selectedValue == $_POST['month']) {
$todaysDate = new DateTime();
while ($employee = $select->fetch()){
$employmentDateValue = new DateTime($employee['employment_date']);
// Comparing employment date with today's date
$differenceBetweenDates = date_diff($employmentDateValue, $todaysDate);
$workMonths = $differenceBetweenDates->y * 12 + $differenceBetweenDates->m;
$holidayDays = $workMonths *4;
echo "<tr>";
echo "<td>".$employee['name']."</td>";
echo "<td>".$employee['surname']."</td>";
echo "<td>".$employee['employment_date']."</td>";
echo "<td>".$workMonths."</td>";
echo "<td>".$holidayDays."</td>";
echo "</tr>";
}
}
else {
echo "Lalalala";
}
?>
I've tried to do so with $_POST['select'], but it doesn't work. Thanks for any help guys

Answer 1

<?php
if($_POST['select']){
// Storing selected value in a variable
$selectedValue= $_POST['holiday'];
if ($selectedValue == 'month') {
}
else if ($selectedValue == 'day') {
}
else{
echo "Lalalala";
}
}
?>

Answer 2

You need to do $_POST['holiday'], so change:
if($_POST['select']){
// Storing selected value in a variable
$selectedValue= $_POST['holiday'];
}
to
if($_POST['holiday']){
// Storing selected value in a variable
$selectedValue = $_POST['holiday'];
}
You also need to change the line:
else if ($selectedValue == $_POST['month']) {
So it's not part of the original if statement:
if ($selectedValue == 'month') {
// your code
}
else {
echo "Lalalala";
}