摘要： html head meta http-equiv="Content-Type" content="text/html; charset=UTF-8" titlephp学习笔记/title style !--修改css-- body {background-color:black; color:white;} h1{font: 72pt arial bold;} /style /head body ?php //注释 #注释 /* * 注释 */ $a = 5; $b = 010; //八进制 $c = 0xf; echo '$b=' . "$bbr 阅读全文