get_object_vars

(PHP 4 )

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.

注: In versions prior to PHP 4.2.0, if the 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. In versions after PHP 4.2.0, the key will be assigned with a NULL value.

範例 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);
    }
}

// "$label" is declared but not defined
$p1 = new Point2D(1.233, 3.445);
print_r(get_object_vars($p1));

$p1- setLabel("point #1");
print_r(get_object_vars($p1));

? 
The printout of the above program will be:
Array
 (
     [x] =  1.233
     [y] =  3.445
     [label] = 
 )

 Array
 (
     [x] =  1.233
     [y] =  3.445
     [label] =  point #1
 )


See also get_class_methods() and get_class_vars()!