test_smtp.php
以上就介绍了she is my sin gtp smtp邮件发送一例,包括了she is my sin gtp方面的内容,希望对PHP教程有兴趣的朋友有所帮助。
require("smtp.php");
$smtp=new smtp_class;
$smtp->host_name="mail.xiaocui.com";
$smtp->localhost="localhost";
$from="webmaster@xiaocui.com";
$to="root@xiaocui.com";
if($smtp->SendMessage(
$from,
array(
$to
),
array(
"From: $from",
"To: $to",
"Subject: Testing Manuel Lemos' SMTP class"
),
"Hello $to,\n\nIt is just to let you know that your SMTP class is working just fine.\n\nBye.\n"))
echo "Message sent to $to OK.\n";
else
echo "Cound not send the message to $to.\nError: ".$smtp->error."\n"
?>
smtp.php
class smtp_class
{
var $host_name="";
var $host_port=25;
var $localhost="";
var $timeout=0;
var $error="";
var $debug=1;
var $esmtp=1;
var $esmtp_host="";
var $esmtp_extensi>var $maximum_piped_recipients=100;
/* private variables - DO NOT ACCESS */
var $state="Disconnected";
var $c>var $pending_recipients=0;
/* Private methods - DO NOT CALL */
Function OutputDebug($message)
{
echo $message,"
\n";
}
Function GetLine()
{
for($line="";;)
{
if(feof($this->connection))
{
$this->error="reached the end of stream while reading from socket";
return(0);
}
if(($data=fgets($this->connection,100))==false)
{
$this->error="it was not possible to read line from socket";
return(0);
}
$line.=$data;
$length=strlen($line);
if($length>=2
&& substr($line,$length-2,2)=="\r\n")
{
$line=substr($line,0,$length-2);
if($this->debug)
$this->OutputDebug(" return($line);
}
}
}
Function PutLine($line)
{
if($this->debug)
$this->OutputDebug("> $line");
if(!fputs($this->connection,"$line\r\n"))
{
$this->error="it was not possible to write line to socket";
return(0);
}
return(1);
}
Function PutData($data)
{
if(strlen($data))
{
if($this->debug)
$this->OutputDebug("> $data");
if(!fputs($this->connection,$data))
{
$this->error="it was not possible to write data to socket";
return(0);
}
}
return(1);
}
Function VerifyResultLines($code,$resp>{
if(GetType($responses)!="array")
$resp> Unset($match_code);
while(($line=$this->GetLine($this->connection)))
{
if(IsSet($match_code))
{
if(strcmp(strtok($line," -"),$match_code))
{
$this->error=$line;
return(0);
}
}
else
{
$match_code=strtok($line," -");
if(GetType($code)=="array")
{
for($codes=0;$codes
{
$this->error=$line;
return(0);
}
}
else
{
if(strcmp($match_code,$code))
{
$this->error=$line;
return(0);
}
}
}
$responses[]=strtok("");
if(!strcmp($match_code,strtok($line," ")))
return(1);
}
return(-1);
}
Function FlushRecipients()
{
if($this->pending_sender)
{
if($this->VerifyResultLines("250") return(0);
$this->pending_sender=0;
}
for(;$this->pending_recipients;$this->pending_recipients--)
{
if($this->VerifyResultLines(array("250","251")) return(0);
}
return(1);
}
/* Public methods */
Function Connect()
{
$this->error=$error="";
$this->esmtp_host="";
$this->esmtp_extensi> if(!($this->c ? fsockopen($this->host_name,$this->host_port,&$errno,&$error,$this->timeout) : fsockopen($this->host_name,$this->host_port))))
{
switch($error)
{
case -3:
$this->error="-3 socket could not be created";
return(0);
case -4:
$this->error="-4 dns lookup on hostname \"".$host_name."\" failed";
return(0);
case -5:
$this->error="-5 connection refused or timed out";
return(0);
case -6:
$this->error="-6 fdopen() call failed";
return(0);
case -7:
$this->error="-7 setvbuf() call failed";
return(0);
default:
$this->error=$error." could not connect to the host \"".$this->host_name."\"";
return(0);
}
}
else
{
if(!strcmp($localhost=$this->localhost,"")
&& !strcmp($localhost=getenv("SERVER_NAME"),"")
&& !strcmp($localhost=getenv("HOST"),""))
$localhost="localhost";
$success=0;
if($this->VerifyResultLines("220")>0)
{
if($this->esmtp)
{
$resp> if($this->PutLine("EHLO $localhost")
&& $this->VerifyResultLines("250",&$responses)>0)
{
$this->esmtp_host=strtok($responses[0]," ");
for($resp> {
$extension=strtoupper(strtok($responses[$response]," "));
$this->esmtp_extensions[$extension]=strtok("");
}
$success=1;
}
}
if(!$success
&& $this->PutLine("HELO $localhost")
&& $this->VerifyResultLines("250")>0)
$success=1;
}
if($success)
{
$this->state="Connected";
return(1);
}
else
{
fclose($this->connection);
$this->c> $this->state="Disconnected";
return(0);
}
}
}
Function MailFrom($sender)
{
if(strcmp($this->state,"Connected"))
{
$this->error="connection is not in the initial state";
return(0);
}
$this->error="";
if(!$this->PutLine("MAIL FROM: "))
return(0);
if(!IsSet($this->esmtp_extensions["PIPELINING"])
&& $this->VerifyResultLines("250") return(0);
$this->state="SenderSet";
if(IsSet($this->esmtp_extensions["PIPELINING"]))
$this->pending_sender=1;
$this->pending_recipients=0;
return(1);
}
Function SetRecipient($recipient)
{
switch($this->state)
{
case "SenderSet":
case "RecipientSet":
break;
default:
$this->error="connection is not in the recipient setting state";
return(0);
}
$this->error="";
if(!$this->PutLine("RCPT TO:"))
return(0);
if(IsSet($this->esmtp_extensions["PIPELINING"]))
{
$this->pending_recipients++;
if($this->pending_recipients>=$this->maximum_piped_recipients)
{
if(!$this->FlushRecipients())
return(0);
}
}
else
{
if($this->VerifyResultLines(array("250","251")) return(0);
}
$this->state="RecipientSet";
return(1);
}
Function StartData()
{
if(strcmp($this->state,"RecipientSet"))
{
$this->error="connection is not in the start sending data state";
return(0);
}
$this->error="";
if(!$this->PutLine("DATA"))
return(0);
if($this->pending_recipients)
{
if(!$this->FlushRecipients())
return(0);
}
if($this->VerifyResultLines("354") return(0);
$this->state="SendingData";
return(1);
}
Function PrepareData($data,&$output)
{
$length=strlen(&$data);
for($output="",$position=0;$position {
$next_position=$length;
for($current=$position;$current {
switch($data[$current])
{
case "\n":
$next_position=$current+1;
break 2;
case "\r":
$next_position=$current+1;
if($data[$next_position]=="\n")
$next_position++;
break 2;
}
}
if($data[$position]==".")
$output.=".";
$output.=substr(&$data,$position,$current-$position)."\r\n";
$position=$next_position;
}
}
Function SendData($data)
{
if(strcmp($this->state,"SendingData"))
{
$this->error="connection is not in the sending data state";
return(0);
}
$this->error="";
return($this->PutData(&$data));
}
Function EndSendingData()
{
if(strcmp($this->state,"SendingData"))
{
$this->error="connection is not in the sending data state";
return(0);
}
$this->error="";
if(!$this->PutLine("\r\n.")
|| $this->VerifyResultLines("250") return(0);
$this->state="Connected";
return(1);
}
Function ResetConnection()
{
switch($this->state)
{
case "Connected":
return(1);
case "SendingData":
$this->error="can not reset the connection while sending data";
return(0);
case "Disconnected":
$this->error="can not reset the connection before it is established";
return(0);
}
$this->error="";
if(!$this->PutLine("RSET")
|| $this->VerifyResultLines("250") return(0);
$this->state="Connected";
return(1);
}
Function Disconnect($quit=1)
{
if(!strcmp($this->state,"Disconnected"))
{
$this->error="it was not previously established a SMTP connection";
return(0);
}
$this->error="";
if(!strcmp($this->state,"Connected")
&& $quit
&& (!$this->PutLine("QUIT")
|| $this->VerifyResultLines("221") return(0);
fclose($this->connection);
$this->c> $this->state="Disconnected";
return(1);
}
Function SendMessage($sender,$recipients,$headers,$body)
{
if(($success=$this->Connect()))
{
if(($success=$this->MailFrom($sender)))
{
for($recipient=0;$recipient
if(!($success=$this->SetRecipient($recipients[$recipient])))
break;
}
if($success
&& ($success=$this->StartData()))
{
for($header_data="",$header=0;$header
if(($success=$this->SendData($header_data."\r\n")))
{
$this->PrepareData($body,&$body_data);
$success=$this->SendData($body_data);
}
if($success)
$success=$this->EndSendingData();
}
}
$disc> if($success)
$success=$disconnect_success;
}
return($success);
}
};
?>

aphpdepentioncontiveContainerIsatoolThatManagesClassDeptions,增强codemodocultion,可验证性和Maintainability.itactsasaceCentralHubForeatingingIndections,因此reducingTightCightTightCoupOulplingIndeSingantInting。

选择DependencyInjection(DI)用于大型应用,ServiceLocator适合小型项目或原型。1)DI通过构造函数注入依赖,提高代码的测试性和模块化。2)ServiceLocator通过中心注册获取服务,方便但可能导致代码耦合度增加。

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phpemailvalidation invoLvesthreesteps:1)格式化进行regulareXpressecthemailFormat; 2)dnsvalidationtoshethedomainhasavalidmxrecord; 3)

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依赖注入(DI)通过显式传递依赖关系,显着提升了PHP代码的可测试性。 1)DI解耦类与具体实现,使测试和维护更灵活。 2)三种类型中,构造函数注入明确表达依赖,保持状态一致。 3)使用DI容器管理复杂依赖,提升代码质量和开发效率。

databasequeryOptimizationinphpinvolVolVOLVESEVERSEVERSTRATEMIESOENHANCEPERANCE.1)SELECTONLYNLYNESSERSAYCOLUMNSTORMONTOUMTOUNSOUDSATATATATATATATATATATRANSFER.3)


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