PHP file() function_PHP tutorial

PHP file() function I used the file function to write a WEB anti-virus program before. In fact, file directly reads a txt file and saves it into an array. Then I think you also know what it does. Well, file reads a file by putting the first line in the txt file into the array. ​

PHP file() function I used the file function to write a WEB anti-virus program before. In fact, file directly reads a txt file and saves it into an array. Then I think you also know its function. What is it? File reads a file by putting the first line in the txt file into an array

Syntax:

Definition and usage
The file() reads a file into an array.

Each array element is contained from the file, with newlines still valued.

Grammar

file(path,include_path,context)

Parameter	Description
path	文件路径
include_path	任择。将此参数设置为'1 '如果你想搜寻档案中的include_path中（在php.ini中） ，以及
context	任择。指定范围内的档案处理。背景是一组选项，可以修改的行为流。可以跳过用空。

Description

path

File path

include_path

Optional. Set this parameter to '1' if you want to search files in include_path (in php.ini), and

context

Optional. File processing within a specified range. A context is a set of options that can modify the flow of behavior. Can be skipped with empty space.

Tips and Instructions Tip: This feature becomes binary safe in PHP 4.3. (Meaning that both binary data such as image and character data can be written to this function). -------------------------------------------------- ------------------------------- For example

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

Output.

Array([0] => a

[1] => b.[2] => c,[3] => d?)

http://www.bkjia.com/PHPjc/445504.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/445504.htmlTechArticlePHP file() function I used the file function to write a WEB anti-virus program before. In fact, it is just file. txt file is directly read and saved into an array, then I think you also know how it works...