php获取/etc/ntp.conf文件内容的几种方式
时间: 2023-12-01 22:03:40 浏览: 78
可以使用以下几种方式获取`/etc/ntp.conf`文件的内容:
1. 使用`file_get_contents()`函数:
```php
$content = file_get_contents('/etc/ntp.conf');
```
2. 使用`fopen()`和`fread()`函数:
```php
$handle = fopen('/etc/ntp.conf', 'r');
$content = fread($handle, filesize('/etc/ntp.conf'));
fclose($handle);
```
3. 使用`fgets()`函数逐行读取:
```php
$handle = fopen('/etc/ntp.conf', 'r');
while (!feof($handle)) {
$content .= fgets($handle);
}
fclose($handle);
```
4. 使用`shell_exec()`函数执行`cat`命令获取文件内容:
```php
$content = shell_exec('cat /etc/ntp.conf');
```
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