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<!DOCTYPE html> <html> <body> <?php class Fruit { public $name; public $color; public $weight; function set_name($n) { // a public function (default) $this->name = $n; } protected function set_color($n) { // a protected function $this->color = $n; } private function set_weight($n) { // a private function $this->weight = $n; } } $mango = new Fruit(); $mango->set_name('Mango'); // OK $mango->set_color('Yellow'); // ERROR $mango->set_weight('300'); // ERROR ?> </body> </html>