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php怎么设置全局变量

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Release: 2016-06-13 12:25:46
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php如何设置全局变量
RT,我把一些信息放在了txt文档里,然后每次调用这个php页面时就读出来存进一个数组里,我想知道怎么让这个数组缓存到内存里,每次判断如果不存在然后再去读取,在的话就直接用。这个可行吗?新手
------解决思路----------------------
你把数组写成一个配置文件php,不要使用txt,然后include调用就可以了。
读文件也不会很慢的。如果你要写入内存,可以使用memcache保存。

例如:
config.php

<br /><?php<br />return array(<br />	'name' => 'fdipzone'<br />);<br />?><br />
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demo.php
<br /><?php<br />$config = include('config.php');<br />print_r($config);<br />?><br />
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