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PHP动态包含文件的有关问题

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Release： 2016-06-13 10:01:33
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PHP动态包含文件的问题
index.php内容如下

PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?phpfunction a1() {    require_once '_t.php';}b1();
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_t.php文件内容如下
PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?phpfunction b1() {    echo "dddddd";}
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这样调用会报错，找不到b1()函数，那要怎样才能实现这种动态包含一个文件，这个文件是个函数扩展库，在全局范围内能使用这个库中的函数

CodeIgniter这个框架里面Loader类就是这种动态加载库、类文件的，为什么它就能行呢？

------解决方案--------------------
b1(); 前，需要有 a1();

------解决方案--------------------
。。。。。
当然找不到了你没有运行a1();
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