JSON stringify converting complete array element to key of an array in PHP

143 Views Asked by Parminder At 06 April 2025 at 05:08

I am trying to attach sendBeacon method to one of the page in my web application. I tried to send request using a simple AJAX method and via sendBeacon() method. Both are giving different results and none is usable. Please suggest.

html.php

<body>
    <button onclick="setzero();">
        click me
    </button>
    <script>
        function setzero(){
            var settings = {
            "url":"ttstt.php",
            "method":"POST",
            "data": JSON.stringify({"val":0})
            };
            $.ajax(settings).done(function(e){console.log(e);});
        }
      
        window.addEventListener("unload", function() {  
          navigator.sendBeacon("ttstt.php", JSON.stringify({"val":1}));
        });
    </script>
</body>

ttstt.php

$val = ($_POST);
print_r($val);

When I click the button on html.php I get the following result.
!! Please note that the complete array is in the key portion. !!

Array
(
    [{"val":0}] => 
)

When I reload the page to initiate the sendBeacon(), I get [] as a result.

Original Q&A

There are 1 best solutions below

Parminder On 13 October 2020 at 08:09

I just changed the following in my PHP code

$val = file_get_contents("php://input");
$json = json_decode($val);
echo $json['val'];       //This gives output as 0, which I was looking for.

Also same code works with sendBeacon() data also.

JSON stringify converting complete array element to key of an array in PHP

There are 1 best solutions below

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