(PHP 4 >= 4.0.0)
get_object_vars -- Returns an associative array of object properties
Description
array get_object_vars (object obj)
     This function returns an associative array of defined object properties 
     for the specified object obj. If variables
     declared in the class of which the obj is an
     instance, have not been assigned a value, those will not be returned 
     in the array.
     
| Example 1. Use of get_object_vars() | 
<?php
class Point2D {
    var $x, $y;
    var $label;
    function Point2D($x, $y) {
        $this->x = $x;
        $this->y = $y;
    }
    function setLabel($label) {
        $this->label = $label;
    }
    function getPoint() {
        return array("x" => $this->x,
                     "y" => $this->y,
                     "label" => $this->label);
    }
}
$p1 = new Point2D(1.233, 3.445);
print_r(get_object_vars($p1));
// "$label" is declared but not defined
// Array
// (
//     [x] => 1.233
//     [y] => 3.445
// )
$p1->setLabel("point #1");
print_r(get_object_vars($p1));
// Array
// (
//     [x] => 1.233
//     [y] => 3.445
//     [label] => point #1
// )
?>
       | 
 | 
    
     See also get_class_methods(),
     get_class_vars()