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The file() reads a file into an array.
file()函数的作用是:把整个文件读入一个数组中。
Each array element contains a line from the file, with newline still attached.
每个数组元素都包含了文件中的一行,并在末尾加上了换行符。
file(path,include_path,context) |
Parameter 参数 | Description 描述 |
---|---|
path | Required. Specifies the file to read 必要参数。指定文件对象 |
include_path | Optional. Set this parameter to '1' if you want to search for the file in the include_path (in php.ini) as well 可选参数。如果你希望在include_path (in php.ini)中查找文件的话,你可以把该参数设置为“1” |
context | Optional. Specifies the context of the file handle. Context is a set of options that can modify the behavior of a stream. Can be skipped by using NULL. 可选参数。指定需要进行处理的文件context[内容]。Context是一组选项,你可以通过它修改你的文本属性;你也可以使用NULL[空]来忽略某段内容 |
Tip: This function became binary-safe in PHP 4.3. (meaning that both binary data, like images, and character data can be written with this function).
提示:这个函数在PHP 4.3中是支持二进制[“binary-safe”]的(它意味着:二进制数据(如:图像),以及字符数据都可以通过这个函数进行书写)。
<?php print_r(file("test.txt")); ?> |
The output of the code above will be:
上述代码将输出下面的结果:
Array ( [0] => Hello World. Testing testing! [1] => Another day, another line. [2] => If the array picks up this line, [3] => then is it a pickup line? ) |