The former is used for most of the logs in your typical system as they are easy to write and, perhaps more importantly, easy to read.
前者用于典型系统中的大多数日志,因为它们易于编写,而且(也许是更重要的)它们易于阅读。
Of course, you can read and write more than just integers.
当然,您可以读取和写入整数之外的值。
Part 3: Advanced techniques to read, manipulate, and write XML: Learn more techniques for reading, manipulating, and writing XML in PHP5.
面向 PHP 开发人员的 XML,第 3 部分: 读、操纵和写 XML 的高级技术:了解有关在 PHP5 内阅读、处理和编写 XML 的更多技巧。
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