简单实用socket

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@socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO,array("sec"=>10, "usec"=>0));当socket_read得不到响应，这里设置时间可以跳过不会陷入死循环
3 q' z* F) @9 T  y现在socket读写数据的流程是这样的：

  h( o- P: n) N$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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socket_set_option($socket,SOL_SOCKET,SO_RCVTIMEO,array("sec"=>60, "usec"=>0 ) );

8 O4 o: b$ j5 D& m* r+ ]socket_connect($socket, IP, PORT);

. o2 N. O- ^% ~+ r6 psocket_write($socket, $strxml, strlen($strxml);
$back = socket_read($socket, 8192);
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5 w  P9 x( @! m' L+ l% N  Esocket_read有时候收不到返回数据，应该是超时了，如何修改超时时间？
socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO,array("sec"=>3, "usec"=>0));//接受超时
socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO,array("sec"=>2, "usec"=>0));//发送超时
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3 }% g( b6 C! y$ Q2 T1 j3 U. F; Vhttps://blog.csdn.net/sn_qmzm521/article/details/80756396
) j7 k$ F' {) E2 l4 ghttps://blog.csdn.net/Hiking_Tsang/article/details/84788448