Querying the time from a NTP server with a standard port

<?php
$server = new Zend_TimeSync('ntp://serveraddress', 'alias'); 
$result = $server->getDate(); 
 
echo $result->getIso();
    
        

Querying the time from a SNTP server with a standard port

<?php
$server = new Zend_TimeSync('sntp://serveraddress', 'alias'); 
$result = $server->getDate(); 
 
echo $result->getIso();
        
        

Querying the time from an NTP server with a standard port, and a list of NTP/SNTP fallback servers provided:

<?php
$serverlist = array('alias_a' => 'ntp://address', 
                    'alias_b' => 'ntp://address', 
                    'alias_c' => 'sntp://address'); 
 
$server = new Zend_TimeSync($serverlist); 
$result = $server->getDate(); 
 
echo $result->getIso(); 
    
        

Querying the time from an NTP server with a non standard port, and with a list of NTP/SNTP fallback servers that run on a non standard port:

<?php
$serverlist = array('alias_a' => 'ntp://address:2222', 
                    'alias_b' => 'ntp://address:2222', 
                    'alias_c' => 'sntp://address:3333'); 
 
$server = new Zend_TimeSync($serverlist); 
$result = $server->getDate(); 
 
echo $result->getIso(); 
    
        

Taking care of exceptions:

<?php
$serverlist = array(
        // invalid servers
        'server_a'  => 'ntp://be.foo.bar.org',
        'server_b'  => 'sntp://be.foo.bar.org',
); 

$server = new Zend_TimeSync($serverlist);

try {
    $result = $server->getDate();
    echo $result->getIso();
} catch (Zend_TimeSync_Exception $e) {
    
    $exceptions = $e->get();
    
    foreach ($exceptions as $key => $myException) {
        echo $myException->getMessage();
        echo '<br />';
    }
}