(PHP 4, PHP 5, PHP 7)
get_object_vars — Gets the properties of the given object
get_object_vars ( object $object ) : array
 Gets the accessible non-static properties of the given object according to scope. 
object
An object instance.
 Returns an associative array of defined object accessible non-static properties for the specified object in scope. 
Example #1 Use of get_object_vars()
<?php
class foo {
    private $a;
    public $b = 1;
    public $c;
    private $d;
    static $e;
   
    public function test() {
        var_dump(get_object_vars($this));
    }
}
$test = new foo;
var_dump(get_object_vars($test));
$test->test();
?> The above example will output:
array(2) {
  ["b"]=>
  int(1)
  ["c"]=>
  NULL
}
array(4) {
  ["a"]=>
  NULL
  ["b"]=>
  int(1)
  ["c"]=>
  NULL
  ["d"]=>
  NULL
}
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    https://www.php.net/manual/en/function.get-object-vars.php