PHP feof() 函数
PHP 教程
· 2019-01-24 19:44:34
定义和用法
feof() 函数检查是否已到达文件末尾(EOF)。
如果出错或者文件指针到了文件末尾(EOF)则返回 TRUE,否则返回 FALSE。
语法
feof(file)
| 参数 | 描述 |
|---|---|
| file | 必需。规定要检查的打开文件。 |
提示和注释
提示:feof() 函数对遍历长度未知的数据很有用。
实例
<?php
$file = fopen("test.txt", "r");
//Output a line of the file until the end is reached
while(! feof($file))
{
echo fgets($file). "<br />";
}
fclose($file);
?>
上面的代码将输出:
Hello, this is a test file. There are three lines here. This is the last line.
点击查看所有 PHP 教程 文章: https://codercto.com/courses/l/5.html
Effective JavaScript
David Herman / Addison-Wesley Professional / 2012-12-6 / USD 39.99
"It's uncommon to have a programming language wonk who can speak in such comfortable and friendly language as David does. His walk through the syntax and semantics of JavaScript is both charming and h......一起来看看 《Effective JavaScript》 这本书的介绍吧!