📄 function.mail.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Send mail</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.mail.html">Mail Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.mailparse.html">Mailparse</a></div> <div class="up"><a href="ref.mail.html">Mail Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.mail" class="refentry"> <div class="refnamediv"> <h1 class="refname">mail</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">mail</span> — <span class="dc-title">Send mail</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>mail</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$to</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$subject</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$message</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$additional_headers</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$additional_parameters</tt></span> ]] )</div> <p class="para rdfs-comment"> Sends an email. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">to</tt></i></span> <dd> <p class="para"> Receiver, or receivers of the mail. </p> <p class="para"> The formatting of this string must comply with <a href="http://www.faqs.org/rfcs/rfc2822" class="link external">» RFC 2822</a>. Some examples are: <ul class="simplelist"> <li class="member">user@example.com</li> <li class="member">user@example.com, anotheruser@example.com</li> <li class="member">User <user@example.com></li> <li class="member">User <user@example.com>, Another User <anotheruser@example.com></li> </ul> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">subject</tt></i></span> <dd> <p class="para"> Subject of the email to be sent. </p> <div class="caution"><b class="caution">Caution</b> <p class="para"> This must not contain any newline characters, or the mail may not be sent properly. </p> </div> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">message</tt></i></span> <dd> <p class="para"> Message to be sent. </p> <p class="para"> Each line should be separated with a LF (\n). Lines should not be larger than 70 characters. </p> <div class="caution"><b class="caution">Caution</b> <p class="para"> (Windows only) When PHP is talking to a SMTP server directly, if a full stop is found on the start of a line, it is removed. To counter-act this, replace these occurrences with a double dot. <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$text </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n."</span><span style="color: #007700">, </span><span style="color: #DD0000">"\n.."</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </p> </div> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">additional_headers</tt></i> (optional)</span> <dd> <p class="para"> String to be inserted at the end of the email header. </p> <p class="para"> This is typically used to add extra headers (From, Cc, and Bcc). Multiple extra headers should be separated with a CRLF (\r\n). </p> <blockquote><p><b class="note">Note</b>: When sending mail, the mail <em class="emphasis">must</em> contain a <i>From</i> header. This can be set with the <i><tt class="parameter">additional_headers</tt></i> parameter, or a default can be set in <var class="filename">php.ini</var>. <br /> Failing to do this will result in an error message similar to <i>Warning: mail(): "sendmail_from" not set in php.ini or custom "From:" header missing</i>. The <i>From</i> header sets also <i>Return-Path</i> under Windows. <br /> </p></blockquote> <blockquote><p><b class="note">Note</b>: If messages are not received, try using a LF (\n) only. Some poor quality Unix mail transfer agents replace LF by CRLF automatically (which leads to doubling CR if CRLF is used). This should be a last resort, as it does not comply with <a href="http://www.faqs.org/rfcs/rfc2822" class="link external">» RFC 2822</a>. <br /> </p></blockquote> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">additional_parameters</tt></i> (optional)</span> <dd> <p class="para"> The <i><tt class="parameter">additional_parameters</tt></i> parameter can be used to pass an additional parameter to the program configured to use when sending mail using the <i>sendmail_path</i> configuration setting. For example, this can be used to set the envelope sender address when using sendmail with the <i>-f</i> sendmail option. </p> <p class="para"> The user that the webserver runs as should be added as a trusted user to the sendmail configuration to prevent a 'X-Warning' header from being added to the message when the envelope sender (-f) is set using this method. For sendmail users, this file is <var class="filename">/etc/mail/trusted-users</var>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> if the mail was successfully accepted for delivery, <b><tt>FALSE</tt></b> otherwise. </p> <p class="para"> It is important to note that just because the mail was accepted for delivery, it does NOT mean the mail will actually reach the intended destination. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para">⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -