我写了一个简单的命令行程序，打开浏览器并将数据发布到给定的url。 由于某种原因一旦请求到达我的apache服务器，apache看到的是发布数据，但是没有发送给PHP。 当试图
echo var_dump（$ _ POST，true）
我看到一个空的数组。 我已经设置mod_dumpio，可以看到进来的请求和POST数据肯定是存在的（我加倍间隔显示apache接收发布数据的行，所以它更容易find下面）：
[Thu Jul 07 08:24:48 2016] [notice] Apache/2.2.22 (Debian) PHP/5.4.36-0+deb7u3 configured -- resuming normal operations [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 17 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): POST / HTTP/1.1\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 47 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept: text/html, application/xhtml+xml, */*\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 49 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Content-Type: application/x-www-form-urlencoded\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 24 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept-Language: en-US\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 82 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 32 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept-Encoding: gzip, deflate\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 19 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Host: local.kiosk\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 20 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Content-Length: 34\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 24 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Connection: Keep-Alive\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 25 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Cache-Control: no-cache\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 2 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): \r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [readbytes-blocking] 34 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 34 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): mm=7H235727A768&mn=JKIUYRHT0081563 [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-HEAP): 271 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-HEAP): HTTP/1.1 200 OK\r\nDate: Thu, 07 Jul 2016 13:25:22 GMT\r\nServer: Apache/2.2.22 (Debian)\r\nX-Powered-By: PHP/5.4.36-0+deb7u3\r\nVary: Accept-Encoding\r\nContent-Encoding: gzip\r\nContent-Length: 91\r\nKeep-Alive: timeout=5, max=100\r\nConnection: Keep-Alive\r\nContent-Type: text/html\r\n\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-IMMORTAL): 10 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-IMMORTAL): \x1f\x8b\b [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-HEAP): 73 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-HEAP): \xcb\xc9ON\xcc\xb1I*\xd2\xb7\x83\x10\x05E\xa9v\x89EE\x89\x95\n\x1a\\\n\n\xea\xb9\xb9\xea\n\xb6v\n\xeaF\xceF\xe6.\xe6F\xe6\x8e\xc6ff\xea:`\x99<\x88\x8c\xbf\xa3\xa7\x97s\x88K\xa8\x81\x81\x85\xa1\x89\xa9)PR\x13 [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-POOL): 8 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-POOL): \x89\x02;[T [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-EOS): 0 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [eatcrlf-nonblocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(127): mod_dumpio: dumpio_in - 11 [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-FLUSH): 0 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 16 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): GET / HTTP/1.1\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 47 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept: text/html, application/xhtml+xml, */*\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 24 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept-Language: en-US\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 82 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 32 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Accept-Encoding: gzip, deflate\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 19 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Host: local.kiosk\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 24 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): Connection: Keep-Alive\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_in (data-HEAP): 2 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_in (data-HEAP): \r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-HEAP): 270 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-HEAP): HTTP/1.1 200 OK\r\nDate: Thu, 07 Jul 2016 13:25:22 GMT\r\nServer: Apache/2.2.22 (Debian)\r\nX-Powered-By: PHP/5.4.36-0+deb7u3\r\nVary: Accept-Encoding\r\nContent-Encoding: gzip\r\nContent-Length: 44\r\nKeep-Alive: timeout=5, max=99\r\nConnection: Keep-Alive\r\nContent-Type: text/html\r\n\r\n [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-IMMORTAL): 10 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-IMMORTAL): \x1f\x8b\b [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-HEAP): 26 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-HEAP): \xcb\xc9ON\xcc\xb1I*\xd2\xb7\x83\x10\x05E\xa9v\x89EE\x89\x95\n\x1a\\\x9a [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (data-POOL): 8 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(74): mod_dumpio: dumpio_out (data-POOL): \xac\xb0\x89\xac\x1d [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-EOS): 0 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [eatcrlf-nonblocking] 0 readbytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(127): mod_dumpio: dumpio_in - 11 [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-FLUSH): 0 bytes [Thu Jul 07 08:25:22 2016] [debug] mod_dumpio.c(113): mod_dumpio: dumpio_in [getline-blocking] 0 readbytes [Thu Jul 07 08:25:27 2016] [debug] mod_dumpio.c(127): mod_dumpio: dumpio_in - 70007 [Thu Jul 07 08:25:27 2016] [debug] mod_dumpio.c(143): mod_dumpio: dumpio_out [Thu Jul 07 08:25:27 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-FLUSH): 0 bytes [Thu Jul 07 08:25:27 2016] [debug] mod_dumpio.c(55): mod_dumpio: dumpio_out (metadata-EOC): 0 bytes 任何想法为什么PHP不识别发布数据？