PHP - imap_alerts() 函式



PHP 的 IMAP 函式幫助您訪問電子郵件帳戶,IMAP 代表 **I**nternet **M**ail **A**ccess **P**rotocol,使用這些函式您還可以使用 NNTP、POP3 協議和本地郵箱訪問方法。

imap_alerts() 函式檢索從當前頁面開始或自上次呼叫此函式以來發生的所有錯誤訊息,並以陣列的形式返回它們。

imap_binary() 函式

引數

此函式不接受任何引數。

返回值

如果成功,此函式返回一個包含所有已發生錯誤的陣列;如果失敗,則返回布林值 false。

PHP 版本

此函式首次引入於 PHP 4 版本,並在所有後續版本中均有效。

示例

以下示例演示了 imap_alerts() 函式的使用:

<html>
   <body>
      <?php
         $url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX";
         $id = "tutorialspoint.test@gmail.com";
         $pwd = "wrong_password";
         $mailbox = imap_open($url, $id, $pwd);
         print("<br>");
         if ( $mailbox === false ) {
            exit ("Alerts: <br>" . $alerts = imap_alerts() ."\n");
         } else {
            print("Connection established....");
         }
      ?>
   </body>
</html>

輸出

這將生成以下輸出:

Connection established....
List of mailboxes:
{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX
Alerts:

Notice: Unknown: [ALREADYEXISTS] Duplicate folder name INBOX.test_mail1 (Failure) (errflg=2) in Unknown on line 0

Notice: Unknown: [ALREADYEXISTS] Duplicate folder name INBOX.test_mail2 (Failure) (errflg=2) in Unknown on line 0

示例

以下是此函式的另一個示例:

<html>
   <body>
      <?php
         $url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX";
         $id = "tutorialspoint.test@gmail.com";
         $pwd = "cohondob_123";
         $mailbox = imap_open($url, $id, $pwd);
         print("Connection established....");
         print("<br>");

         //Creating mailboxes
         $newmailbox1 = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX.test_mail1";
         $newmailbox2 = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX.test_mail2";            
         $res = imap_createmailbox($mailbox, imap_utf7_encode($newmailbox1));
         $res = imap_createmailbox($mailbox, imap_utf7_encode($newmailbox2));

         //Retrieving the contents of mail boxes
         print("List of mailboxes: ");
         print("<br>");
         $list = imap_getmailboxes($mailbox, $url, "*");
		
         foreach ($list as $key => $val) {
            print_r($val->name);
            print("<br>");
            exit ("Alerts: <br>" . $alerts = imap_alerts() ."\n");      
         }
      ?>
   </body>
</html>

輸出

這將生成以下輸出:

Warning: imap_open(): Couldn't open stream {imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX in C:\Apache24\htdocs\examples\demo2.html on line 7

Alerts:

Notice: Unknown: [AUTHENTICATIONFAILED] Invalid credentials (Failure) (errflg=1) in Unknown on line 0

Notice: Unknown: [AUTHENTICATIONFAILED] Invalid credentials (Failure) (errflg=1) in Unknown on line 0

Notice: Unknown: [AUTHENTICATIONFAILED] Invalid credentials (Failure) (errflg=1) in Unknown on line 0

Notice: Unknown: Too many login failures (errflg=2) in Unknown on line 0
php_function_reference.htm
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