(PHP 4, PHP 5, PHP 7)
get_object_vars — �����ɶ���������ɵĹ�������
$obj
) : array
������ obj
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Note:
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obj����ʵ���������ı���û�б���ֵ�������ǽ������ڷ��ص������С����� PHP 4.2.0 ֮����Щ������Ϊ������������NULLֵ��
Example #1 ʹ�� 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));
?>
�������̻������
Array
(
[x] => 1.233
[y] => 3.445
[label] =>
)
Array
(
[x] => 1.233
[y] => 3.445
[label] => point #1
)
�μ� get_class_methods() �� get_class_vars()��
objectAn object instance.
Returns an associative array of defined object accessible non-static properties
for the specified object in scope. If a property have
not been assigned a value, it will be returned with a NULL value.
| �汾 | ˵�� |
|---|---|
| 5.3.0 |
This function now returns NULL if the
object isn't an object.
|
| prior to 5.3.0 |
If the object isn't an object, then
get_object_vars() would return FALSE
|
| 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
|
Example #2 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();
?>
�������̻������
array(2) {
["b"]=>
int(1)
["c"]=>
NULL
}
array(4) {
["a"]=>
NULL
["b"]=>
int(1)
["c"]=>
NULL
["d"]=>
NULL
}