如何在PHP中打开TCP连接并通过该连接发送一些字符串(例如“test”)?
You can create a socket with socket_create, open it with socket_connect and write with socket_write. socket_write documentation on php.net
You can try the example from this link :
<?php
$fp = fsockopen("www.example.com", 80, $errno, $errstr, 30);
if (!$fp) {
echo "$errstr ($errno)<br />\n";
} else {
$out = "GET / HTTP/1.1\r\n";
$out .= "Host: www.example.com\r\n";
$out .= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
while (!feof($fp)) {
echo fgets($fp, 128);
}
fclose($fp);
}
?>
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