<ol class="dp-c"> <li class="alt"><span><span>01 <?php </span></span></span></li> <li><span> </span></li> <li class="alt"><span>02 </span></li> <li><span> </span></li> <li class="alt"><span>03 #从输入读取到所有的邮件内容 </span></li> <li><span> </span></li> <li class="alt"> <span>04 </span><span class="vars">$email</span><span> = </span><span class="string">""</span><span>; </span> </li> <li><span> </span></li> <li class="alt"> <span>05 </span><span class="vars">$fd</span><span> = </span><span class="func">fopen</span><span>(</span><span class="string">"php://stdin"</span><span>, </span><span class="string">"r"</span><span>); </span> </li> <li><span> </span></li> <li class="alt"> <span>06 </span><span class="keyword">while</span><span> (!</span><span class="func">feof</span><span>(</span><span class="vars">$fd</span><span>)) { </span> </li> <li><span> </span></li> <li class="alt"> <span>07 </span><span class="vars">$email</span><span> .= </span><span class="func">fread</span><span>(</span><span class="vars">$fd</span><span>, 1024); </span> </li> <li><span> </span></li> <li class="alt"><span>08 } </span></li> <li><span> </span></li> <li class="alt"> <span>09 fclose(</span><span class="vars">$fd</span><span>); </span> </li> <li><span> </span></li> <li class="alt"><span>10 </span></li> <li><span> </span></li> <li class="alt"><span>11 #记录所有的内容,测试 </span></li> <li><span> </span></li> <li class="alt"> <span>12 </span><span class="func">file_put_contents</span><span>(</span><span class="string">"/tmp/mail/"</span><span>.time(), </span><span class="vars">$email</span><span>); </span> </li> <li><span> </span></li> <li class="alt"><span>13 </span></li> <li><span> </span></li> <li class="alt"><span>14 #处理邮件 </span></li> <li><span> </span></li> <li class="alt"> <span>15 </span><span class="vars">$lines</span><span> = </span><span class="func">explode</span><span>(</span><span class="string">" "</span><span>, </span><span class="vars">$email</span><span>); </span> </li> <li><span> </span></li> <li class="alt"><span>16 </span></li> <li><span> </span></li> <li class="alt"> <span>17 </span><span class="comment">// empty vars </span><span> </span> </li> <li><span> </span></li> <li class="alt"> <span>18 </span><span class="vars">$from</span><span> = </span><span class="string">""</span><span>; </span> </li> <li><span> </span></li> <li class="alt"> <span>19 </span><span class="vars">$date</span><span> = </span><span class="string">""</span><span>; </span> </li> <li><span> </span></li> <li class="alt"> <span>20 </span><span class="vars">$subject</span><span> = </span><span class="string">""</span><span>; </span> </li> <li><span> </span></li> <li class="alt"> <span>21 </span><span class="vars">$message</span><span> = </span><span class="string">""</span><span>; </span> </li> <li><span> </span></li> <li class="alt"> <span>22 </span><span class="vars">$splittingheaders</span><span> = true; </span> </li> <li><span> </span></li> <li class="alt"><span>23 </span></li> <li><span> </span></li> <li class="alt"> <span>24 </span><span class="keyword">for</span><span> (</span><span class="vars">$i</span><span>=0; </span><span class="vars">$i</span><span><span class="func">count</span><span>(</span><span class="vars">$lines</span><span>); </span><span class="vars">$i</span><span>++) { </span></span> </li> <li><span> </span></li> <li class="alt"> <span>25 </span><span class="keyword">if</span><span> (</span><span class="vars">$splittingheaders</span><span>) { </span> </li> <li><span> </span></li> <li class="alt"><span>26 </span></li> <li><span> </span></li> <li class="alt"> <span>27 </span><span class="comment">// look out for special headers </span><span> </span> </li> <li><span> </span></li> <li class="alt"> <span>28 </span><span class="keyword">if</span><span> (preg_match(</span><span class="string">"/^Subject: (.*)/"</span><span>, </span><span class="vars">$lines</span><span>[</span><span class="vars">$i</span><span>], </span><span class="vars">$matches</span><span>)) { </span> </li> <li><span> </span></li> <li class="alt"> <span>29 </span><span class="vars">$subject</span><span> = </span><span class="vars">$matches</span><span>[1]; </span> </li> <li><span> </span></li> <li class="alt"><span>30 } </span></li> <li><span> </span></li> <li class="alt"> <span>31 </span><span class="keyword">if</span><span> (preg_match(</span><span class="string">"/^From: (.*)/"</span><span>, </span><span class="vars">$lines</span><span>[</span><span class="vars">$i</span><span>], </span><span class="vars">$matches</span><span>)) { </span> </li> <li><span> </span></li> <li class="alt"> <span>32 </span><span class="keyword">if</span><span>(</span><span class="func">strpos</span><span>(</span><span class="vars">$lines</span><span>[</span><span class="vars">$i</span><span>],</span><span class="string">"<span>)){ </span></span> </li> <li><span> </span></li> <li class="alt"> <span>33 </span><span class="comment">//the name exist too in from header </span><span> </span> </li> <li><span> </span></li> <li class="alt"> <span>34 </span><span class="vars">$data</span><span> = </span><span class="func">explode</span><span>(</span><span class="string"><span>,</span><span class="vars">$lines</span><span>[</span><span class="vars">$i</span><span>]); </span></span> </li> <li><span> </span></li> <li class="alt"> <span>35 </span><span class="vars">$from</span><span> = </span><span class="func">substr</span><span>(trim(</span><span class="vars">$data</span><span>[1]),0,-1); </span> </li> <li><span> </span></li> <li class="alt"> <span>36 }</span><span class="keyword">else</span><span>{ </span> </li> <li><span> </span></li> <li class="alt"> <span>37 </span><span class="comment">//only the mail </span><span> </span> </li> <li><span> </span></li> <li class="alt"> <span>38 </span><span class="vars">$from</span><span> = </span><span class="vars">$matches</span><span>[1]; </span> </li> <li><span> </span></li> <li class="alt"><span>39 } </span></li> <li><span> </span></li> <li clas> <p align="left"></p> <div style="display:none;"> <span id="url" itemprop="url">http://www.bkjia.com/PHPjc/478830.html</span><span id="indexUrl" itemprop="indexUrl">www.bkjia.com</span><span id="isOriginal" itemprop="isOriginal">true</span><span id="isBasedOnUrl" itemprop="isBasedOnUrl">http://www.bkjia.com/PHPjc/478830.html</span><span id="genre" itemprop="genre">TechArticle</span><span id="description" itemprop="description">01?php 02 03#从输入读取到所有的邮件内容 04 $email = ; 05 $fd = fopen ( php://stdin , r ); 06 while (! feof ( $fd )){ 07 $email .= fread ( $fd ,1024); 08} 09fclose( $fd...</span> </div> <div class="art_confoot"></div> </li> </ol>

使用数据库存储会话的主要优势包括持久性、可扩展性和安全性。1.持久性:即使服务器重启,会话数据也能保持不变。2.可扩展性:适用于分布式系统,确保会话数据在多服务器间同步。3.安全性:数据库提供加密存储,保护敏感信息。

在PHP中实现自定义会话处理可以通过实现SessionHandlerInterface接口来完成。具体步骤包括:1)创建实现SessionHandlerInterface的类,如CustomSessionHandler;2)重写接口中的方法(如open,close,read,write,destroy,gc)来定义会话数据的生命周期和存储方式;3)在PHP脚本中注册自定义会话处理器并启动会话。这样可以将数据存储在MySQL、Redis等介质中,提升性能、安全性和可扩展性。

SessionID是网络应用程序中用来跟踪用户会话状态的机制。1.它是一个随机生成的字符串,用于在用户与服务器之间的多次交互中保持用户的身份信息。2.服务器生成并通过cookie或URL参数发送给客户端,帮助在用户的多次请求中识别和关联这些请求。3.生成通常使用随机算法保证唯一性和不可预测性。4.在实际开发中,可以使用内存数据库如Redis来存储session数据,提升性能和安全性。

在无状态环境如API中管理会话可以通过使用JWT或cookies来实现。1.JWT适合无状态和可扩展性,但大数据时体积大。2.Cookies更传统且易实现,但需谨慎配置以确保安全性。

要保护应用免受与会话相关的XSS攻击,需采取以下措施:1.设置HttpOnly和Secure标志保护会话cookie。2.对所有用户输入进行输出编码。3.实施内容安全策略(CSP)限制脚本来源。通过这些策略,可以有效防护会话相关的XSS攻击,确保用户数据安全。

优化PHP会话性能的方法包括:1.延迟会话启动,2.使用数据库存储会话,3.压缩会话数据,4.管理会话生命周期,5.实现会话共享。这些策略能显着提升应用在高并发环境下的效率。

thesession.gc_maxlifetimesettinginphpdeterminesthelifespanofsessiondata,setInSeconds.1)它'sconfiguredinphp.iniorviaini_set().2)abalanceIsiseededeedeedeedeedeedeedto to to avoidperformance andununununununexpectedLogOgouts.3)

在PHP中,可以使用session_name()函数配置会话名称。具体步骤如下:1.使用session_name()函数设置会话名称,例如session_name("my_session")。2.在设置会话名称后,调用session_start()启动会话。配置会话名称可以避免多应用间的会话数据冲突,并增强安全性,但需注意会话名称的唯一性、安全性、长度和设置时机。


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