PHP Manual: get_object_vars


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get_object_vars

(PHP 4, PHP 5)

get_object_vars -- Gets the properties of the given object

Description

array get_object_vars ( object object )

Gets the properties of the given object.

Parameters

object

An object instance.

Return Values

Returns an associative array of defined object properties for the specified object. If a property have not been assigned a value, it will be returned with a NULL value.

ChangeLog

VersionDescription
prior to 4.2.0 If the variables declared in the class of which the object is an instance, have not been assigned a value, those will not be returned in the array

Examples

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);
    }
}

// "$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 above example will output:

Array
 (
     [x] => 1.233
     [y] => 3.445
     [label] =>
 )

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