① php如何把自身進程設置為系統進程
進程管理-防止進程成為僵屍進程
創建好了進程，那麼怎麼對子進程進行管理呢？
使用信號，對子進程的管理，一般有兩種情況：(推薦學習：PHP編程從入門到精通)
posix_kill()：此函數並不能顧名思義，它通過向子進程發送一個信號來操作子進程，在需要要時可以選擇給子進程發送進程終止信號來終止子進程；
pcntl_waitpid()：等待或返回fork的子進程狀態，如果指定的子進程在此函數調用時已經退出(俗稱僵屍進程)，此函數將立刻返回，並釋放子進程的所有系統資源，此進程可以避免子進程變成僵屍進程，造成系統資源浪費；
孤兒進程：父進程掛了，子進程被pid=1的init進程接管(wait/waitpid)，直到子進程自身生命周期結束被系統回收資源和父進程 採取相關的回收操作
僵屍進程：子進程exit退出,父進程沒有通過wait/waitpid獲取子進程狀態，子進程佔用的進程號等描述資源符還存在，產生危害：例如進程號是有限的，無法釋放進程號導致未來可能無進程號可用
**父進程中使用：pcntl_wait或者pcntl_waitpid的目的就是防止worker成為僵屍進程
作用：使用pcntl_wait()後，在子進程死掉後，父進程也會被停止**
最後我們通過下圖來簡單的總結和描述這個多進程實現的過程：
.png
進程管理-進程間通信
隊列：如Redis，推薦
socket：推薦
管道：實現復雜，且管道(pipe)，使用文件形式存在，存在硬碟IO性能瓶頸
信號：承載信息量少，不好管理
進程管理-切換為守護進程
使用&實現
php deadloop.php &
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② php發送郵件代碼要最新的網上試了很多都不成功
親，很高興為你解答：
首先，在PHP中可以使用SMTP或內置mail()函數來發送郵件。前者的好處是投遞率高、被認定為垃圾郵件的幾率小、但需要有SMTP伺服器；後者是無需配置，但極易被認定為垃圾郵件。
第一種方法：SMTP：
增加一個SMTP類，命名為class.smtp.php：
<?php
classsmtp
{
/*PublicVariables*/
var$smtp_port;
var$time_out;
var$host_name;
var$log_file;
var$relay_host;
var$debug;
var$auth;
var$user;
var$pass;
/*PrivateVariables*/
var$sock;
/*Constractor*/
functionsmtp($relay_host="",$smtp_port=25,$auth=false,$user,$pass)
{
$this->debug=FALSE;
$this->smtp_port=$smtp_port;
$this->relay_host=$relay_host;
$this->time_out=30;//isusedinfsockopen()
$this->auth=$auth;//auth
$this->user=$user;
$this->pass=$pass;
$this->host_name="localhost";//isusedinHELOcommand
$this->log_file="";
$this->sock=FALSE;
}
/*MainFunction*/
functionsendmail($to,$from,$subject="",$body="",$mailtype,$cc="",$bcc="",$additional_headers="")
{
$mail_from=$this->get_address($this->strip_comment($from));
$body=ereg_replace("(^|( ))(.)","1.3",$body);
$header.="MIME-Version:1.0 ";
if($mailtype=="HTML")
{
$header.="Content-Type:text/html ";
}
$header.="To:".$to." ";
if($cc!="")
{
$header.="Cc:".$cc." ";
}
$header.="From:$from<".$from."> ";
$header.="Subject:".$subject." ";
$header.=$additional_headers;
$header.="Date:".date("r")." ";
$header.="X-Mailer:ByRedhat(PHP/".phpversion().") ";
list($msec,$sec)=explode("",microtime());
$header.="Message-ID:<".date("YmdHis",$sec).".".($msec*1000000).".".$mail_from."> ";
$TO=explode(",",$this->strip_comment($to));
if($cc!="")
{
$TO=array_merge($TO,explode(",",$this->strip_comment($cc)));
}
if($bcc!="")
{
$TO=array_merge($TO,explode(",",$this->strip_comment($bcc)));
}
$sent=TRUE;
foreach($TOas$rcpt_to)
{
$rcpt_to=$this->get_address($rcpt_to);
if(!$this->smtp_sockopen($rcpt_to))
{
$this->log_write("Error:Cannotsendemailto".$rcpt_to." ");
$sent=FALSE;
continue;
}
if($this->smtp_send($this->host_name,$mail_from,$rcpt_to,$header,$body))
{
$this->log_write("E-mailhasbeensentto<".$rcpt_to."> ");
}
else
{
$this->log_write("Error:Cannotsendemailto<".$rcpt_to."> ");
$sent=FALSE;
}
fclose($this->sock);
$this->log_write("Disconnectedfromremotehost ");
}
return$sent;
}
/*PrivateFunctions*/
functionsmtp_send($helo,$from,$to,$header,$body="")
{
if(!$this->smtp_putcmd("HELO",$helo))
{
return$this->smtp_error("sendingHELOcommand");
}
#auth
if($this->auth)
{
if(!$this->smtp_putcmd("AUTHLOGIN",base64_encode($this->user)))
{
return$this->smtp_error("sendingHELOcommand");
}
if(!$this->smtp_putcmd("",base64_encode($this->pass)))
{
return$this->smtp_error("sendingHELOcommand");
}
}
if(!$this->smtp_putcmd("MAIL","FROM:<".$from.">"))
{
return$this->smtp_error("sendingMAILFROMcommand");
}
if(!$this->smtp_putcmd("RCPT","TO:<".$to.">"))
{
return$this->smtp_error("sendingRCPTTOcommand");
}
if(!$this->smtp_putcmd("DATA"))
{
return$this->smtp_error("sendingDATAcommand");
}
if(!$this->smtp_message($header,$body))
{
return$this->smtp_error("sendingmessage");
}
if(!$this->smtp_eom())
{
return$this->smtp_error("sending<CR><LF>.<CR><LF>[EOM]");
}
if(!$this->smtp_putcmd("QUIT"))
{
return$this->smtp_error("sendingQUITcommand");
}
returnTRUE;
}
functionsmtp_sockopen($address)
{
if($this->relay_host=="")
{
return$this->smtp_sockopen_mx($address);
}
else
{
return$this->smtp_sockopen_relay();
}
}
functionsmtp_sockopen_relay()
{
$this->log_write("Tryingto".$this->relay_host.":".$this->smtp_port." ");
$this->sock=@fsockopen($this->relay_host,$this->smtp_port,$errno,$errstr,$this->time_out);
if(!($this->sock&&$this->smtp_ok()))
{
$this->log_write("Error:Cannotconnencttorelayhost".$this->relay_host." ");
$this->log_write("Error:".$errstr."(".$errno.") ");
returnFALSE;
}
$this->log_write("Connectedtorelayhost".$this->relay_host." ");
returnTRUE;;
}
functionsmtp_sockopen_mx($address)
{
$domain=ereg_replace("^.+@([^@]+)$","1",$address);
if(!@getmxrr($domain,$MXHOSTS))
{
$this->log_write("Error:CannotresolveMX"".$domain."" ");
returnFALSE;
}
foreach($MXHOSTSas$host)
{
$this->log_write("Tryingto".$host.":".$this->smtp_port." ");
$this->sock=@fsockopen($host,$this->smtp_port,$errno,$errstr,$this->time_out);
if(!($this->sock&&$this->smtp_ok()))
{
$this->log_write("Warning:Cannotconnecttomxhost".$host." ");
$this->log_write("Error:".$errstr."(".$errno.") ");
continue;
}
$this->log_write("Connectedtomxhost".$host." ");
returnTRUE;
}
$this->log_write("Error:Cannotconnecttoanymxhosts(".implode(",",$MXHOSTS).") ");
returnFALSE;
}
functionsmtp_message($header,$body)
{
fputs($this->sock,$header." ".$body);
$this->smtp_debug(">".str_replace(" "," ".">",$header." >".$body." >"));
returnTRUE;
}
functionsmtp_eom()
{
fputs($this->sock," . ");
$this->smtp_debug(".[EOM] ");
return$this->smtp_ok();
}
functionsmtp_ok()
{
$response=str_replace(" ","",fgets($this->sock,512));
$this->smtp_debug($response." ");
if(!ereg("^[23]",$response))
{
fputs($this->sock,"QUIT ");
fgets($this->sock,512);
$this->log_write("Error:Remotehostreturned"".$response."" ");
returnFALSE;
}
returnTRUE;
}
functionsmtp_putcmd($cmd,$arg="")
{
if($arg!="")
{
if($cmd=="")
{
$cmd=$arg;
}
else
{
$cmd=$cmd."".$arg;
}
}
fputs($this->sock,$cmd." ");
$this->smtp_debug(">".$cmd." ");
return$this->smtp_ok();
}
functionsmtp_error($string)
{
$this->log_write("Error:Erroroccurredwhile".$string.". ");
returnFALSE;
}
functionlog_write($message)
{
$this->smtp_debug($message);
if($this->log_file=="")
{
returnTRUE;
}
$message=date("MdH:i:s").get_current_user()."[".getmypid()."]:".$message;
if(!@file_exists($this->log_file)||!($fp=@fopen($this->log_file,"a")))
{
$this->smtp_debug("Warning:Cannotopenlogfile"".$this->log_file."" ");
returnFALSE;;
}
flock($fp,LOCK_EX);
fputs($fp,$message);
fclose($fp);
returnTRUE;
}
functionstrip_comment($address)
{
$comment="([^()]*)";
while(ereg($comment,$address))
{
$address=ereg_replace($comment,"",$address);
}
return$address;
}
functionget_address($address)
{
$address=ereg_replace("([ ])+","",$address);
$address=ereg_replace("^.*<(.+)>.*$","1",$address);
return$address;
}
functionsmtp_debug($message)
{
if($this->debug)
{
echo$message;
}
}
}
?>
然後在PHP裡面引用該文件後，這樣調用發送郵件：
<?php
require_once("class.smtp.php");
$smtpserver="";//SMTP伺服器
$smtpserverport=25;//SMTP伺服器埠
$smtpusermail="";//SMTP伺服器的用戶郵箱
$smtpemailto="";//發送給誰
$smtpuser="";//SMTP伺服器的用戶帳號
$smtppass="";//SMTP伺服器的用戶密碼
$mailsubject="";//郵件主題
$mailbody="";//郵件內容
$mailtype="HTML";//郵件格式（HTML/TXT）
$smtp=newsmtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//這裡面的一個true是表示使用身份驗證,否則不使用身份驗證
$smtp->debug=TRUE;//是否顯示發送的調試信息
$smtp->sendmail($smtpemailto,$smtpusermail,$mailsubject,$mailbody,$mailtype);
?>
第二種方法：mail()函數
<?php
$to="[email protected],[email protected]";
$subject="HTMLemail";
$message="
<html>
<head>
<title>HTMLemail</title>
</head>
<body>
<p>ThisemailcontainsHTMLTags!</p>
</body>
</html>
";
$headers="MIME-Version:1.0"." ";
$headers.="Content-type:text/html;charset=iso-8859-1"." ";
//其他報頭
$headers.='From:<[email protected]>'." ";
$headers.='Cc:[email protected]'." ";
mail($to,$subject,$message,$headers);
?>
-----------------------------------
如有疑問歡迎追問！
滿意請點擊右上方【選為滿意回答】按鈕 o(∩_∩)o
③ PHP中發送郵件的代碼!
從代碼來看，想必樓主是想把表單提交的內容發送至指定郵箱，而這個郵箱地址也是在表單中填寫的，$sendTo變數的值被賦為表單項「toMail」傳過來的值。
如此，你可以在填寫表單的時候在toMail表單項里填入「[email protected]」，或者直接$sendTo="[email protected]"。
接下來就要考慮是否能發送出去了：
1、如果樓主配置的伺服器安裝了sendmail組件，就可以直接使用你寫的這段代碼來完成任務。
2、如果沒有安裝sendmail組件，就要接用smtp伺服器來發送了。這樣相對較復雜，要引用一個PHP類。具體代碼如下：
SMTP.PHP：
<?php
class smtp
{
/* Public Variables */
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
/* Private Variables */
var $sock;
/* Constractor */
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
{
$this->debug = FALSE;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 30; //is used in fsockopen()
#
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
#
$this->host_name = "localhost"; //is used in HELO command
$this->log_file = "";
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);
$header = "MIME-Version:1.0\r\n";
if($mailtype=="HTML")
{
$header .= "Content-Type:text/html\r\n";
}
$header .= "To: ".$to."\r\n";
if ($cc != "")
{
$header .= "Cc: ".$cc."\r\n";
}
$header .= "From: $from<".$from.">\r\n";
$header .= "Subject: ".$subject."\r\n";
$header .= $additional_headers;
$header .= "Date: ".date("r")."\r\n";
$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
$TO = explode(",", $this->strip_comment($to));
if ($cc != "")
{
$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
}
if ($bcc != "")
{
$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
}
$sent = TRUE;
foreach ($TO as $rcpt_to)
{
$rcpt_to = $this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to))
{
$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
$sent = FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body))
{
$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
}
else
{
$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
$sent = FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host\n");
}
return $sent;
}
/* Private Functions */
function smtp_send($helo, $from, $to, $header, $body = "")
{
if (!$this->smtp_putcmd("HELO", $helo))
{
return $this->smtp_error("sending HELO command");
}
#auth
if($this->auth)
{
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user)))
{
return $this->smtp_error("sending HELO command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass)))
{
return $this->smtp_error("sending HELO command");
}
}
#
if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">"))
{
return $this->smtp_error("sending MAIL FROM command");
}
if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">"))
{
return $this->smtp_error("sending RCPT TO command");
}
if (!$this->smtp_putcmd("DATA"))
{
return $this->smtp_error("sending DATA command");
}
if (!$this->smtp_message($header, $body))
{
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom())
{
return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if (!$this->smtp_putcmd("QUIT"))
{
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address)
{
if ($this->relay_host == "")
{
return $this->smtp_sockopen_mx($address);
}
else
{
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay()
{
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok()))
{
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host."\n");
return TRUE;
}
function smtp_sockopen_mx($address)
{
$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);
if (!@getmxrr($domain, $MXHOSTS))
{
$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");
return FALSE;
}
foreach ($MXHOSTS as $host)
{
$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok()))
{
$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("Connected to mx host ".$host."\n");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
return FALSE;
}
function smtp_message($header, $body)
{
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return TRUE;
}
function smtp_eom()
{
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [EOM]\n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!ereg("^[23]", $response))
{
fputs($this->sock, "QUIT\r\n");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned \"".$response."\"\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = "")
{
if ($arg != "")
{
if($cmd=="")
$cmd = $arg;
else
$cmd = $cmd." ".$arg;
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string)
{
$this->log_write("Error: Error occurred while ".$string.".\n");
return FALSE;
}
function log_write($message)
{
$this->smtp_debug($message);
if ($this->log_file == "")
{
return TRUE;
}
$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a")))
{
$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");
return FALSE;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address)
{
$comment = "\([^()]*\)";
while (ereg($comment, $address))
{
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address)
{
$address = ereg_replace("([ \t\r\n])+", "", $address);
$address = ereg_replace("^.*<(.+)>.*$", "\1", $address);
return $address;
}
function smtp_debug($message)
{
if ($this->debug)
{
echo $message;
}
}
}
?>
DEMO：TEST.PHP
<?php
require "smtp.php";
$smtpserver = "smtp.xxx.com";//SMTP伺服器
$smtpserverport =25;//SMTP伺服器埠
$smtpusermail = "[email protected]";//SMTP伺服器的用戶郵箱
$smtpemailto = "[email protected]";//發送給誰
$smtpuser = "xxxx";//SMTP伺服器的用戶帳號
$smtppass = "xxxx";//SMTP伺服器的用戶密碼
$mailsubject = "客戶反饋意見！";//郵件主題
$mailbody = "<h1>這是我的一個測試~~~</h1>";//郵件內容
$mailtype = "HTML";//郵件格式（HTML/TXT）,TXT為文本郵件
$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//這裡面的一個true是表示使用身份驗證,否則不使用身份驗證.
$smtp->debug = false;//是否顯示發送的調試信息
$return = ($smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype));
echo $return;
?>
④ 如何獲知PHP程序佔用多少內存memory
<?php
header("Content-type:text/html;charset=utf-8");
//獲取當前運行腳本佔用內存
functiongetMemeoryByScript(){
//首先判斷系統是否支持memory_get_usage函數
if(function_exists('memory_get_usage')){
returnmemory_get_usage();
}else{
$pid=getmypid();
//判斷是否為Windows伺服器
if(strtoupper(substr(PHP_OS,0,3))==='WIN'){
//命令查詢pid所佔的內存
exec('tasklist/FI"PIDeq'.$pid.'"/FO渣肢LIST',$output);
判梁亮//取出數字，然後轉換為M（默認結果為k）
returnpreg_replace('/[^0-9]/','',$output[5])*1024;
}else{
exec("ps-eo%mem,rss,pid|grep$pid",$output);
$output=explode("",$output[0]);
掘寬return$output[1]*1024;
}
}
}
echogetMemeoryByScript();
//325288
?>
⑤ php表單提交到郵箱怎麼做到
index.php
<?php
$stm="郵件內容";
require("smtp.php");
##########################################
$smtpserver = "mail.chg168.com";//SMTP伺服器
$smtpserverport = 25;//SMTP伺服器埠
$smtpusermail = "[email protected]";//SMTP伺服器的用戶郵箱
$smtpemailto = "[email protected]";//發送給誰
$smtpuser = "[email protected]";//SMTP伺服器的用戶帳號
$smtppass = "111111";//SMTP伺服器的用戶密碼
$mailsubject = "dddddddddddd ";//郵件主題
$mailbody = $stm;//郵件內容
$mailtype = "HTML";//郵件格式（HTML/TXT）,TXT為文本郵件
##########################################
$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//這裡面的一個true是表示使用身份驗證,否則不使用身份驗證.
$smtp->debug = TRUE;//是否顯示發送的調試信息
$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
echo "<script>alert('郵件發送成功');parent.document.ADDUser.cheheh.click();</script>";
exit;
}
?>
smtp.php
<?php
class smtp
{
/* Public Variables */
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
/* Private Variables */
var $sock;
/* Constractor */
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
{
$this->debug = FALSE;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 30; //is used in fsockopen()
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
$this->host_name = "localhost"; //is used in HELO command
$this->log_file = "";
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);
$header .= "MIME-Version:1.0\r\n";
if($mailtype=="HTML")
{
$header .= "Content-Type:text/html\r\n";
}
$header .= "To: ".$to."\r\n";
if ($cc != "")
{
$header .= "Cc: ".$cc."\r\n";
}
$header .= "From: $from<".$from.">\r\n";
$header .= "Subject: ".$subject."\r\n";
$header .= $additional_headers;
$header .= "Date: ".date("r")."\r\n";
$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
$TO = explode(",", $this->strip_comment($to));
if ($cc != "")
{
$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
}
if ($bcc != "")
{
$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
}
$sent = TRUE;
foreach ($TO as $rcpt_to)
{
$rcpt_to = $this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to))
{
$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
$sent = FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body))
{
$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
}
else
{
$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
$sent = FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host\n");
}
return $sent;
}
/* Private Functions */
function smtp_send($helo, $from, $to, $header, $body = "")
{
if (!$this->smtp_putcmd("HELO", $helo))
{
return $this->smtp_error("sending HELO command");
}
#auth
if($this->auth)
{
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user)))
{
return $this->smtp_error("sending HELO command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass)))
{
return $this->smtp_error("sending HELO command");
}
}
if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">"))
{
return $this->smtp_error("sending MAIL FROM command");
}
if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">"))
{
return $this->smtp_error("sending RCPT TO command");
}
if (!$this->smtp_putcmd("DATA"))
{
return $this->smtp_error("sending DATA command");
}
if (!$this->smtp_message($header, $body))
{
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom())
{
return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if (!$this->smtp_putcmd("QUIT"))
{
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address)
{
if ($this->relay_host == "")
{
return $this->smtp_sockopen_mx($address);
}
else
{
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay()
{
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok()))
{
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host."\n");
return TRUE;;
}
function smtp_sockopen_mx($address)
{
$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);
if (!@getmxrr($domain, $MXHOSTS))
{
$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");
return FALSE;
}
foreach ($MXHOSTS as $host)
{
$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok()))
{
$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("Connected to mx host ".$host."\n");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
return FALSE;
}
function smtp_message($header, $body)
{
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return TRUE;
}
function smtp_eom()
{
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [EOM]\n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!ereg("^[23]", $response))
{
fputs($this->sock, "QUIT\r\n");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned \"".$response."\"\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = "")
{
if ($arg != "")
{
if($cmd=="")
{
$cmd = $arg;
}
else
{
$cmd = $cmd." ".$arg;
}
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string)
{
$this->log_write("Error: Error occurred while ".$string.".\n");
return FALSE;
}
function log_write($message)
{
$this->smtp_debug($message);
if ($this->log_file == "")
{
return TRUE;
}
$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a")))
{
$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");
return FALSE;;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address)
{
$comment = "\([^()]*\)";
while (ereg($comment, $address))
{
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address)
{
$address = ereg_replace("([ \t\r\n])+", "", $address);
$address = ereg_replace("^.*<(.+)>.*$", "\1", $address);
return $address;
}
function smtp_debug($message)
{
if ($this->debug)
{
//echo $message;
}
}
}
?>
我測試過的哈 自己的網站也是用的這個 絕對沒有問題哈，你可以入群29077119 裡面有這方面的高手哈
⑥ php 中getmypid()函數被禁用，有其他替換函數嗎
php 中getmypid()函數被禁用，可以用getmyuid() get_current_user() getmyinode() getlastmod()替代。
php中getmypid函數的用法：
含義：返世閉手回 PHP 的行程代號。
語法: int getmypid(void);
返回值: 整數
函數種類: PHP 系統功態拍能
內容說明: 本函數返回搜嫌 PHP 的行程代號值 (PID)。若執行失敗則返回 false 值。當 PHP 以 Apache 模塊存在時，返回的 PID 值不見得是正確的。
參考: getmyuid() get_current_user() getmyinode() getlastmod()
⑦ 如何使用php的mail函數
可以，但是這要需要smtp.163.com的用戶名與密碼
我給你一個郵件發送類，你可以直接用
/*
名稱：smtpsend.class.php
功能:郵件發送類,實現郵件發送功能 ,可以發送html郵件；可驗證用戶是否具有發送許可權；可實現從任意伺服器郵箱發送郵件，並非局限於本機。
時間：2008-03
author:三生石
$smtpserver; SMTP伺服器
$smtpserverport; SMTP伺服器埠
$smtpuser; SMTP伺服器的用戶帳號
$smtppass; SMTP伺服器的用戶密碼
$fromMail; SMTP伺服器的用戶郵箱
$toMail; 發送給誰
$subject; 郵件主題
$content; 郵件內容
$mailtype; 郵件格式（HTML/TXT）,TXT為文本郵件
*/
class smtpclass
{
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
{
$this->debug = FALSE;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 60; //is used in fsockopen()
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
$this->host_name = "localhost"; //is used in HELO command
$this->log_file = "";
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $returnpath = "", $cc = "", $bcc = "", $additional_headers = "")
{
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);
$header = "";
if(isset($returnpath) && $returnpath != "")
{
$header .= "Reply-To:".$returnpath."\r\n";
}
$header .= "MIME-Version:1.0\r\n";
if($mailtype=="HTML"){
$header .= 'Content-Type:text/html; charset=gb2312' . "\r\n";
}
$header .= "To: ".$to."\r\n";
if ($cc != "") {
$header .= "Cc: ".$cc."\r\n";
}
$header .= "From: $from<".$from.">\r\n";
$header .= "Subject: ".$subject."\r\n";
$header .= $additional_headers;
$header .= "Date: ".date("r")."\r\n";
$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
$TO = explode(",", $this->strip_comment($to));
if ($cc != "") {
$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
}
if ($bcc != "") {
$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
}
$sent = TRUE;
foreach ($TO as $rcpt_to) {
$rcpt_to = $this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to)) {
$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
$sent = FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
} else {
$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
$sent = FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host\n");
}
return $sent;
}
/* Private Functions */
function smtp_send($helo, $from, $to, $header, $body = "")
{
if (!$this->smtp_putcmd("HELO", $helo)) {
return $this->smtp_error("sending HELO command");
}
#auth
if($this->auth){
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
return $this->smtp_error("sending HELO command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
return $this->smtp_error("sending HELO command");
}
}
#
if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {
return $this->smtp_error("sending MAIL FROM command");
}
if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {
return $this->smtp_error("sending RCPT TO command");
}
if (!$this->smtp_putcmd("DATA")) {
return $this->smtp_error("sending DATA command");
}
if (!$this->smtp_message($header, $body)) {
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom()) {
return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if (!$this->smtp_putcmd("QUIT")) {
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address)
{
if ($this->relay_host == "") {
return $this->smtp_sockopen_mx($address);
} else {
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay()
{
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host."\n");
return TRUE;
}
function smtp_sockopen_mx($address)
{
$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);
if (!@getmxrr($domain, $MXHOSTS)) {
$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");
return FALSE;
}
foreach ($MXHOSTS as $host) {
$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("Connected to mx host ".$host."\n");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
return FALSE;
}
function smtp_message($header, $body)
{
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return TRUE;
}
function smtp_eom()
{
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [EOM]\n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!ereg("^[23]", $response)) {
fputs($this->sock, "QUIT\r\n");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned \"".$response."\"\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = "")
{
if ($arg != "") {
if($cmd=="") $cmd = $arg;
else $cmd = $cmd." ".$arg;
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string)
{
$this->log_write("Error: Error occurred while ".$string.".\n");
return FALSE;
}
function log_write($message)
{
$this->smtp_debug($message);
if ($this->log_file == "") {
return TRUE;
}
$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");
return FALSE;;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address)
{
$comment = "\([^()]*\)";
while (ereg($comment, $address)) {
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address)
{
$address = ereg_replace("([ \t\r\n])+", "", $address);
$address = ereg_replace("^.*<(.+)>.*$", "\1", $address);
return $address;
}
function smtp_debug($message)
{
if ($this->debug) {
echo $message;
}
}
function senserMail($smtpserver,$smtpserverport=25,$smtpuser,$smtppass,$fromMail,$toMail,$subject,$content,$mailtype='HTML')
{
if ($fromMail == "") {
die("發件人不能為空！");
}
if ($smtpuser == "") {
die("用戶名不能為空！");
}
if ($smtppass == "") {
die("用戶密碼不能為空！");
}
if ($subject == "") {
die("標題不能為空！");
}
if ($toMail == "") {
die("收件人不能為空！");
}
if ($content == "") {
die("內容不能為空！");
}
$smtpserver = $smtpserver;//SMTP伺服器
$smtpserverport = $smtpserverport;//SMTP伺服器埠
$smtpuser = $smtpuser;//SMTP伺服器的用戶帳號
$smtppass = $smtppass;//SMTP伺服器的用戶密碼
$smtpusermail = $fromMail;//SMTP伺服器的用戶郵箱
$smtpemailto = $toMail;//發送給誰
$mailsubject = $subject;//郵件主題
$mailbody = $content;//郵件內容
$mailtype = $mailtype;//郵件格式（HTML/TXT）,TXT為文本郵件
$this->smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//這裡面的一個true是表示使用身份驗證,否則不使用身份驗證.
//$smtp->debug = TRUE;//是否顯示發送的調試信息
$this->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
}
}
//$gao = new smtpclass();
//$gao->senserMail("mail.163.com",25,"用戶名","密碼","[email protected]","[email protected]","測試","測試一下","TXT");
⑧ PHP 中怎樣終止單個進程
<?php
exec("kill-9pid,$op,$status);
?>
把結果逐行追加到$op的結尾處，只有指定了第二 個參數時，才可以用第三個參數，用來取得命令執行的狀態碼。$status 1 kill成功，0 是失敗（一般情況下是無此進程）。
我的實際項目中是在執行的開始通過getmypid()獲取進程id保存到資料庫，如果crontab再次觸發則把之前的進程kill掉再重新執行一遍以上代碼。
希望能幫到你。
⑨ php中,posix_getpid() 和 getmypid() 有什麼不同
posix_getpid()是「返回返回返回」謹者當祥兄薯前進程 id，返回值須是整型塵納。
getmypid（）是獲取 PHP 進程的 ID。
⑩ php getmypid獲得的pid與操作系統中看到的pid不一致
本函數(getmypid)返回 PHP 的行程代號漏空液值 (PID)。返物若執行失敗則返回 false 值。當 PHP 以 Apache 模塊存在時虧液，返回的 PID 值不見得是正確的。