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var a = 12; //数值类型var b = 'php'; //字符串var c = true; //布尔类型var d = new Array (); //数组va...
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这章涉及了memcache的概念,安装,php安装memcache扩展,memcache常用的命令以及memcache与php的集成。(1)Memcache 是分布式内存对象缓存数据库(本身不具备分布...
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<!DOCTYLE html><html><head><meta charset="utf-8"><title>绝对定位...
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1 字符串常用输出方式 echo : 后面可以跟一个或多个字符串,用逗号或者点号隔开。  ...
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<html><head><link rel="stylesheet" href="http://www.php.cn/static/layu...
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