http image ping online check

rich1.0phorkiehttps://p.cweiske.de/http image ping online checkChristian Weiske86400900900 <link rel="stylesheet" href="https://p.cweiske.de/css/embed.css"/> <div class="phork" id="332"> <div class="phork-file"> <div class="phork-content"> <style type="text/css">/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .php .de1, .php .de2 {font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;} .php {font-family:monospace;} .php .imp {font-weight: bold; color: red;} .php li, .php .li1 {color: #DDD;} .php .ln {width:1px;text-align:right;margin:0;padding:0 2px;vertical-align:top;} .php .kw1 {color: #b1b100;} .php .kw2 {color: #000000; font-weight: bold;} .php .kw3 {color: #990000;} .php .kw4 {color: #009900; font-weight: bold;} .php .co1 {color: #666666; font-style: italic;} .php .co2 {color: #666666; font-style: italic;} .php .co3 {color: #0000cc; font-style: italic;} .php .co4 {color: #009933; font-style: italic;} .php .coMULTI {color: #666666; font-style: italic;} .php .es0 {color: #000099; font-weight: bold;} .php .es1 {color: #000099; font-weight: bold;} .php .es2 {color: #660099; font-weight: bold;} .php .es3 {color: #660099; font-weight: bold;} .php .es4 {color: #006699; font-weight: bold;} .php .es5 {color: #006699; font-weight: bold; font-style: italic;} .php .es6 {color: #009933; font-weight: bold;} .php .es_h {color: #000099; font-weight: bold;} .php .br0 {color: #009900;} .php .sy0 {color: #339933;} .php .sy1 {color: #000000; font-weight: bold;} .php .st0 {color: #0000ff;} .php .st_h {color: #0000ff;} .php .nu0 {color: #cc66cc;} .php .nu8 {color: #208080;} .php .nu12 {color: #208080;} .php .nu19 {color:#800080;} .php .me1 {color: #004000;} .php .me2 {color: #004000;} .php .re0 {color: #000088;} .php span.xtra { display:block; } </style><div class="code"><table class="php"><tbody><tr class="li1"><td class="ln"><pre class="de1">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 </pre></td><td class="de1"><pre class="de1"><?php /**  * Pings a given host and returns a red or green image.  * Green when the host is online, red when offline.  *  * Error: ping: socket: Operation not permitted  *        (raw socket required by specified options).  *  * Solution:  *     $ chmod +s /path/to/ping  * Alternative:  *     $ setcap cap_net_raw+ep /path/to/ping  * Alternative:  *     make it passwordless sudo  *  * Keywords: http image ping online check  *  * @author Christian Weiske <weiske@mogic.com>  */ if (!<a href="http://www.php.net/isset">isset</a>($_GET['host'])) {     sendError('Host missing'); } $host = $_GET['host']; if ($host == '') {     sendError('Empty host'); }   if (!<a href="http://www.php.net/isset">isset</a>($_GET['size'])) {     $size = 100; } else {     $size = <a href="http://www.php.net/intval">intval</a>($_GET['size']); }   <a href="http://www.php.net/exec">exec</a>('ping -c 1 -w 1 -W 1 ' . <a href="http://www.php.net/escapeshellarg">escapeshellarg</a>($host) . ' 2>&1', $output, $retval); if ($retval == 0) {     //all fine     sendSvg($size, 'fill: green'); } else if ($retval == 1) {     //no reply     sendSvg($size, 'fill: red'); } else {     //some other error, e.g. permissions     <a href="http://www.php.net/header">header</a>('HTTP/1.0 500 Internal server error');     <a href="http://www.php.net/header">header</a>('Content-type: text/plain');     echo <a href="http://www.php.net/implode">implode</a>("\n", $output) . "\n"; }   function sendSvg($size, $style) {     $half = <a href="http://www.php.net/intval">intval</a>($size / 2);     <a href="http://www.php.net/header">header</a>('HTTP/1.0 200 OK');     <a href="http://www.php.net/header">header</a>('Content-type: image/svg+xml');     echo '<' . '?xml version="1.0"?>' . "\n";     echo <<<XML <svg xmlns="http://www.w3.org/2000/svg" width="$size" height="$size">   <circle cx="$half" cy="$half" r="$half" style="$style"/> </svg>   XML; }   function sendError($msg) {     <a href="http://www.php.net/header">header</a>('HTTP/1.0 400 Bad Request');     <a href="http://www.php.net/header">header</a>('Content-type: text/plain');     echo $msg . "\n";     <a href="http://www.php.net/exit">exit</a>(1); } ?>  </pre></td></tr></tbody></table></div> </div> <div class="phork-meta"> <a href="https://p.cweiske.de/332/rev-raw/75fa1a6e88ef2cc1d9572788152e025fc5305f1b/ping.php" style="float: right">view raw source</a> <a href="https://p.cweiske.de/332#ping.php">ping.php</a> </div> </div> </div>