如何检查PEAR是否安装在我的服务器上？ [英] How Do I Check To See If PEAR Is Installed On My Server or Not?

问题描述

我收到错误：

警告：include_once（Net / SMTP.php）[function.include-once]：failed打开流：在第349行的/usr/local/lib/php/Mail/smtp.php中没有这样的文件或目录

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

警告：include_once（）[function。 include]：在/ usr / local / lib / php / Mail / smtp中打开Net / SMTP.php以禁止包含（include_path ='。：/ usr / lib / php：/ usr / local / lib / php'） .php在线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

致命错误：类Net_SMTP没有在第349行的/usr/local/lib/php/Mail/smtp.php中找到

Fatal error: Class 'Net_SMTP' not found in /usr/local/lib/php/Mail/smtp.php on line 349

我的代码：

require_once 'Mail.php';

$from = "[e-mail]>";

$to = "[e-mail]>";
$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>");
 }

推荐答案

您可以登录并运行

which pear

如果安装它将打印像这样的

if it's installed it will print something like this

/usr/bin/pear

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