PHPsocket编程中的超时设置

PHP socket 编程中的超时设置.网上找了半天也没找到。贴出来分享之&＃xff1a;
设置$socket 发送超时1秒&＃xff0c;接收超时3秒&＃xff1a;

$socket &＃61; socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
socket_set_option($socket,SOL_SOCKET,SO_RCVTIMEO,array("sec"&＃61;>1, "usec"&＃61;>0 ) );
socket_set_option($socket,SOL_SOCKET,SO_SNDTIMEO,array("sec"&＃61;>3, "usec"&＃61;>0 ) );