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Homephp教程php手册用Socket发送电子邮件六

用Socket发送电子邮件六

Jun 13, 2016 am 10:27 AM
codecommandfunctionsocketsendOrderimplementusee-mail

执行一个命令
1 function do_command($command, $code)
2 {
3 $this-$#@62;lastact=$command;
4 $this-$#@62;show_debug($this-$#@62;lastact, "out");
5 fputs ( $this-$#@62;fp, $this-$#@62;lastact );
6 $this-$#@62;lastmessage = fgets ( $this-$#@62;fp, 512 );
7 $this-$#@62;show_debug($this-$#@62;lastmessage, "in");
8 if(!ereg("^$code", $this-$#@62;lastmessage))
9 {
10 return false;
11 }
12 else
13 return true;
14 }
  在编写socket处理部分发现,一些命令的处理很相似,如HELO,MAIL FROM,RCPT TO,QUIT,DATA命令,都要求根据是否显示调试信息将相关内容显示出来,同时对于返回的响应码,如果是期望的,则应继续处理,如果不是期望的,则应中断出理。所以为了清晰与简化,专门对这些命令的处理编写了一个通用处理函数。
函数的参数中$code为期望的响应码,如果响应码与之相同则表示处理成功,否则出错。
第3行,记录最后执行命令。
第4行,将上传命令显示出来。
第5行,则使用fputs真正向服务器传换指令。
第6行,从服务器接收响应信息将放在最后响应消息变量中。
第7行,将响应信息显示出来。
第8行,判断响应信息是否期待的,如果是则第13行返回成功(true),否则在第10行返回失败(false)。
  这样,这个函数一方面完成指令及信息的发送显示功能,别一方面对返回的响应判断是否成功。


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