PHP file() 函数

将文件读入数组：

<?php
print_r(file("test.txt"));
?>

定义和用法

file() 将文件读入数组。

每个数组元素包含文件中的一行，并仍附加换行符。

file( filename, flag, context)

Parameter	Description
filename	Required. Specifies the path to the file to read
flag	Optional. Can be one or more of the following constants: FILE_USE_INCLUDE_PATH - Search for the file in the include_path (in php.ini) FILE_IGNORE_NEW_LINES - Skip the newline at the end of each array element FILE_SKIP_EMPTY_LINES - Skip empty lines in the file
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.