例子 1. 使用 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));
?>
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