简单实用socket

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@socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO,array("sec"=>10, "usec"=>0));当socket_read得不到响应，这里设置时间可以跳过不会陷入死循环
' o/ A0 E! k0 W4 e9 t1 A- s( l现在socket读写数据的流程是这样的：
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$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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' U' I# x3 O( X, W" N. U- o  P6 W- Osocket_set_option($socket,SOL_SOCKET,SO_RCVTIMEO,array("sec"=>60, "usec"=>0 ) );

4 \2 h$ k: u$ S4 esocket_connect($socket, IP, PORT);
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socket_write($socket, $strxml, strlen($strxml);
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  Q. p1 A1 e  Y$ f0 Qsocket_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？
1 J; J* I' d9 Ysocket_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 k8 H( D! u6 h: G; L* @0 X! [. khttps://blog.csdn.net/sn_qmzm521/article/details/80756396
https://blog.csdn.net/Hiking_Tsang/article/details/84788448

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