array get_object_vars

array get_object_vars ( object obj )

返回由 obj 指定的對象中定義的屬性組成的關聯數組。

<?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));
?>
輸出：
Array (
[x] => 1.233
[y] => 3.445
[label] =>
)
Array (
[x] => 1.233
[y] => 3.445
[label] => point #1
)