PHP doesn't echo the correct variable from array

Question

So,I send an array of inputs:

<input type="text" placeholder="Question" name="question[]" value="" />
<input type="text" placeholder="Question" name="question[]" value="" />

with this Jquery code:

 $.post("function.php",{Question:$("[name^='question']").serialize()},function(data){
 $("#construct").append(data);
 alert('done');
});

but when I try to echo the variables of array it prints incorrect PHP(function.php):

$Question=htmlentities($_POST['Question'],ENT_QUOTES,"UTF-8");
echo $Question[0]."<br>";
echo $Question[1]."<br>";

Now imagine that we enter "Hello" and "Bye" in the input So it should return "Hello" and "Bye" but it returns "q" and "u" instead.

The var_dump out put is:

string(39) "question%5B%5D=Hello&question%5B%5D=Bye"

Edit 1

if I use .serialize() I always get "q" and "u" but if I use .val() I get the first and second letter of each word

Edit 2

I even tried the PHP code without htmlentities() but the result is the same as before.

• John Conde: Show the output of var_dump(($_POST['Question']); in your question
• NavidIvanian: @JohnConde I edited my post with var_dump output
• NavidIvanian: Why am I getting down-vote?????

Answer 1

You serialized your input in JavaScript so the input coming in PHP is a string, not an array. So you need to decode it into an array. Using JSON is a good approach.

EXAMPLE for the lazy:

JavaScript

var normalArray = $('#FormID').serializeArray();
var jsonArray = JSON.stringify(normalArray);
$.post("function.php",{
 data: jsonArray
});

PHP

$normalArray = json_decode($_POST['data'], true);

This example is not tested, but it should work in general.

• NavidIvanian: So,What can I use instead of .serialize()??
• P. Jensen: use JSON.stringify( my_array ) in javascript my friend. And in PHP you do json_decode($_POST['question'], true). Here: stackoverflow.com/questions/6937144/… php.net/manual/en/function.json-decode.php
• P. Jensen: So you stringify your data in JavaScript to Json, send it to PHP, decode the Json into an array, go mark P. jensen's anwser as a good anwser. And he saw that everything was well.
• P. Jensen: Dude, don't be lazy. If you don't learn it by researching and writing it yourself, you will never remember it. Use the links I gave you.
• NavidIvanian: Can I use JSON.stringify() in Jquery.post??