php 如何检查我的服务器上是否安装了 PEAR？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/5326475/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
How Do I Check To See If PEAR Is Installed On My Server or Not?
提问by Navruk
I am getting error like:
我收到如下错误：
Warning: include_once(Net/SMTP.php) [function.include-once]: failed to open stream: No such file or directory in /usr/local/lib/php/Mail/smtp.php on line 348
Warning: include_once() [function.include]: Failed opening 'Net/SMTP.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /usr/local/lib/php/Mail/smtp.php on line 348
Fatal error: Class 'Net_SMTP' not found in /usr/local/lib/php/Mail/smtp.php on line 349
警告：include_once(Net/SMTP.php) [function.include-once]：无法打开流：第 348 行的 /usr/local/lib/php/Mail/smtp.php 中没有这样的文件或目录
警告：include_once() [function.include]：在 /usr/local 中打开“Net/SMTP.php”以包含 (include_path='.:/usr/lib/php:/usr/local/lib/php') 失败/lib/php/Mail/smtp.php 第 348 行
致命错误：在第 349 行的 /usr/local/lib/php/Mail/smtp.php 中找不到“Net_SMTP”类
My code:
我的代码：
require_once 'Mail.php';
$from = "[email protected]>";
$to = "[email protected]>";
$subject = "Hi!";
$body = "Hi,\n\nHow are you?";
$host = "mail.example.com";
$username = "me";
$password = "test";
$headers = array ('From' => $from,
'To' => $to,
'Subject' => $subject);
$smtp = Mail::factory('smtp',
array ('host' => $host,
'auth' => true,
'username' => $username,
'password' => $password));
$mail = $smtp->send($to, $headers, $body);
if (PEAR::isError($mail)) {
echo("<p>" . $mail->getMessage() . "</p>");
} else {
echo("<p>Message successfully sent!</p>");
}
回答by Matt Ryan
if you have ssh access, you can login and run
如果您有 ssh 访问权限，则可以登录并运行
which pear
if it's installed it will print something like this
如果安装了它会打印这样的东西
/usr/bin/pear
回答by turbod
Use this code
使用此代码
require_once 'System.php';
var_dump(class_exists('System'));
When this is true, pear is installed. More info: http://pear.php.net/manual/en/installation.checking.php
当这是真的时，梨安装。更多信息：http: //pear.php.net/manual/en/installation.checking.php
回答by capjo
The following code might help if the server is on ubuntu.
如果服务器在 ubuntu 上，以下代码可能会有所帮助。
sudo apt-get install php-pear
sudo pear install mail
sudo pear install Net_SMTP
sudo pear install Auth_SASL
sudo pear install mail_mime
