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get_object_vars

Gets the properties of the given object (PHP 4, PHP 5)
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 380. 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
)