如果该条目是一个目录，那么对这个目录递归地调用process_directory，并将其中所找到的条目数加到运行总数中。
If the entry is a directory, you recursively call process_directory on the directory, and add the number of entries it found to your running total.
该问题的一个解决方案是增加显示在feed中的条目的总数。
One solution to this problem is to increase the total number of entries displayed in the feed.
在结果数组的前5个索引中，此函数分别存储了提供者名称、收到的提要条目的总数、标题数组、UR l数组和描述数组。
In each of the top five indices of the result array, this function stores the provider name, total number of feed items received, title array, URL array, and the description array, respectively.
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