PHP无法获取Referer问题排查,referer排查
测试结果:
'测试来源:直接载入页面
';
echo '进入页面
';
echo '测试来源:新窗口打开
';
echo '进入页面
';
test_cookie.php的代码为:
<?php date_default_timezone_set(<span class="str">'Asia/Shanghai'</span>);<span class="rem">//设置默认时区</span> header(<span class="str">'content-type:text/html; charset=utf8'</span>);<span class="rem">//设置返回头信息</span> echo date(<span class="str">'Y-m-d H:i:s'</span>); echo <span class="str">"<br/>\r\n"</span>; echo <span class="str">'PHP获取Refer是:'</span>; $refer=isset($_SERVER[<span class="str">'HTTP_REFERER'</span>])?$_SERVER[<span class="str">'HTTP_REFERER'</span>]:<span class="str">'No refer found'</span>; echo $refer; echo <span class="str">"<br/>\r\n"</span>; echo <span class="str">'JS获取Refer是:'</span>; echo <span class="str">"<script>document.writeln(document.referrer);</script>"</span>; echo <span class="str">"<br/>\r\n"</span>;
极度好奇是什么原因造成的第一次能获取,第二次不能获取。
环境是LNMPA,官方是http://lnmp.org/lnmpa.html
Mac下用charles抓包
2次请求test1.php的header是一致的。
2次请求test_cookie.php的header是一致的。
那么问题来了,什么原因造成的2次完全一模一样的请求,PHP取不到refer。跪求解。
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