Get selected items in a popSelect with PHP - php

Question

I am using the popSelect jquery plugin (http://jquer.in/popSelect/)
This is the code I use :
<select name="tun" id="tun" class="form-control">
<option value='op1'>op1</option>
<option value='op2'>op2</option>
<option value='op3'>op3</option>
<option value='op4'>op4</option>
</select>
And this is the javascript code to run the plugin
$('#tun').popSelect({
placeholderText: 'tun',
showTitle: false ,
autoIncrease: true
});
I want to get the selected items once the form is submitted (post). I tried this but I got an empty array.
$tun=$_POST['tun']
In the documentation they said that this code allow to returns the current selected values.
$(elem).popSelect('value')
This is with javascript, but I want these elements in my PHP code.
Can someone help me ?.

Answer 1

Let assume you have the following form:
<form action="welcome.php" method="post">
Name: <input type="text" name="name"><br>
E-mail: <input type="text" name="email"><br>
Select a color:
<select id="myselect" name="colors[]" multiple>
<option value="green">Green</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
<option value="violet">Violet</option>
<option value="orange">Orange</option>
<option value="white" selected="selected">White</option>
</select>
<input type="submit">
</form>
And you have initialized the popSelect plugin in javascript as follows:
$(function() {
$("#myselect").popSelect({
showTitle: false,
maxAllowed: 4
});
});
Then, inside your welcome.php file you can fetch what the user has selected by accessing the $_POST array variable of the post request:
$colorsSelected = $_POST['colors'];