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Scrapes a USNO Web page for the current time
<?
/*
Syncronizing A Web Page's JavaScript Clock Via AJAX / DOM
Copyright 2007 Doug Vanderweide
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://tycho.usno.navy.mil/cgi-bin/timer.pl');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);
curl_close($ch);
$response = strtolower($response);
$temp = explode('<br>', $response);
foreach($temp as $item) {
if(strpos($item, 'utc')) {
$out = trim($item);
}
}
$out = strtotime($out);
$out *= 1000;
header('Content-type: text/xml');
echo "$out";
?>
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