Leçon N° 20 : Courrier, réseau
Envoyer un ping
***
Notes de page
Source: lesson_20_c_envoyer_un_ping.phpRésultat
<?php
$fp 
fsockopen("www.example.com"80$errno$errstr30);
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($fp)) {
        echo 
fgets($fp128)."<br/>";
    }
    
fclose($fp);
}
?>



HTTP/1.1 200 OK
Content-Type: text/html
ETag: "84238dfc8092e5d9c0dac8ef93371a07:1736799080.121134"
Last-Modified: Mon, 13 Jan 2025 20:11:20 GMT
Cache-Control: max-age=2102
Date: Wed, 04 Jun 2025 04:07:01 GMT
Content-Length: 1256
Connection: close
X-N: S




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