- json_decode: documentation ( source)
<?php
$object1 = json_decode('{"null":null,"int":1}');
$object2 = (object)[
"null" => null,
"int" => 1,
];
echo "=== ".(($object1===$object2)?'true':'false')."\n";
echo "== ".(($object1==$object2)?'true':'false');