通过AJAX将JavaScript数组转换为PHP

Question

I have written a simple JS script, that saves mouse positions in an array, which I then send to a php function via AJAX. It works, and saves the recieved data, but the problem is how it is saved, i.e. i would expect to have a normal output of the x and y position as is: [x1,y1],[x2,y2],[x3,y3],...

But what i get is something like this: a:63:{i:0;a:2:{i:0;i:527;i:1;i:1010;}i:1;a:2:{i:0;i:490;i:1;i:1205;}i:2;a:2:{i:0;i:588;i:1;i:1311;}i:3;a:2:{i:0;i:615;i:1;i:1368;}i:4;a:2:{i:0;i:553;i:1;i:1474;}i:5;...

I thought if i encode it in JSON format that it would save as i thought, but i dont understand why the output is as it is. Any ideas?

The JS code is as follows:

window.onbeforeunload = function() {
  var jsonString = JSON.stringify(tabela);
    $.ajax({
        type: 'POST',
        url: 'process.php',
        data: {
            text1: jsonString
        }
    });
}

And the PHP side is this:

    $text1 = json_decode(stripslashes($_POST['text1']));
    $string_data = serialize($text1);
    file_put_contents("your-file.txt", $string_data);
    

Answer 1

The content looks like this in the file, because you passed the array through serialize function. In order to "decode" file content, use unserialize. If you want to have more human-readable file content, just store the JSON string in the file ($_POST['text1'] directly) or instead of serialize use json_encode again before calling file_put_contents.