- property_exists: documentation ( source)
- var_dump: documentation ( source)
- json_decode: documentation ( source)
- json_encode: documentation ( source)
<?php
$array = ["subject" => "1"];
$json = json_encode($array);
$decoded = json_decode($json);
$val = 0;
if (!isset($decoded->subject) || $decoded->subject === '') {
$val = 5;
}
echo $val;
var_dump(property_exists($decoded, "subject"));