PHP使用POP3读取邮箱接收邮件的实例解析

直接上代码：

<?php $array_values['host'] = "host"; $array_values['port'] = 110; $array_values['user'] = '用户名'; $array_values['password'] = '密码'; $array_values['checkmail'] = 'xxx@xxx.xxx';  ganji_get_test_mail($array_values);  function ganji_get_test_mail($array_values) {   $host = $array_values['host'];   $port = $array_values['port'];   $user = $array_values['user'];   $password = $array_values['password'];   $checkmail = $array_values['checkmail'];   $msg = '';   $return_msg = '';   // ini_set('memory_limit', '80M');   if (! ($sock = fsockopen(gethostbyname($host), $port, $errno, $errstr))) {     exit($errno . ': ' . $errstr);   }    set_socket_blocking($sock, true);    $command = "USER " . $user . "rn";   fwrite($sock, $command);   $msg = fgets($sock);   $command = "PASS " . $password . "rn";   fwrite($sock, $command);   $msg = fgets($sock);    $command = "statrn";   fwrite($sock, $command);   $return_msg = fgets($sock);    $msg = fgets($sock);    $command = "LISTrn";   fwrite($sock, $command);   $all_mails = array();   while (true) {     $msg = fgets($sock);     if (! preg_match('/^+OK/', $msg) && ! preg_match('/^./', $msg)) {       $msg = preg_replace('/ .*rn/', '', $msg);       array_push($all_mails, $msg);     }     if (preg_match('/^./', $msg))       break;   }    // 获取邮件列表   $ganji_mails = array();   foreach ($all_mails as $item) {     fwrite($sock, "TOP $item 0rn");     while (true) {       $msg = fgets($sock);       // echo $msg . "<Br><Br>";       if (preg_match('/^./', $msg)) {         array_push($ganji_mails, $item);         break;       }     }     continue;   }    $mail_content = '';   $array_ganji_mails = array();    //逐行遍历   foreach ($ganji_mails as $item) {     fwrite($sock, "RETR $itemrn");     while (true) {       $msg = fgets($sock);       $mail_content .= $msg;       if (preg_match('/^./', $msg)) {         array_push($array_ganji_mails, iconv_mime_decode_headers($mail_content, 0, "UTF-8"));         $mail_content = '';         break;       }     }   }    // 直接获取第一封邮件全部信息 9999长度   fwrite($sock, "RETR 1rn");   $mail_contents = fread($sock, 9999); // 直接获取全部    echo "<br>";   var_dump($mail_contents);   echo "<br>";    $command = "QUITrn";   fwrite($sock, $command);   $msg = fgets($sock);    return $mail_contents; }

常用的POP3命令介绍　：

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