- json_decode: documentation ( source)
- print_r: documentation ( source)
- json_encode: documentation ( source)
<?php
$arr = array(
'a' =>'hello'
);
$arr = 2;
$json_arr = json_encode($arr);
$payload = ((((array)json_decode($json_arr)))[0]);
//$payload = array_values(((array)json_decode($json_arr)))[0];
//$payload = json_decode($json_arr);
//$payload = reset((array)json_decode($json_arr));
print_r($payload);