W3School TIY Editor
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暗黑模式
<!DOCTYPE html> <html> <body> <?php class MyClass { private $number = 0; public function add1() { $this->number++; } public function getNumber() { return $this->number; } } $obj = new MyClass(); $obj->add1(); echo "数字是 " . $obj->getNumber(); ?> </body> </html>