Fill text 0

$(this).val(year + "/" + addzero(month) + "/" + addzero(day) + " " + addzero(hours) + ":" + minutes + ":" + seconds);

function addzero(el) {
    return ("0" + el).slice(-2)
}

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<?php // RAY_client_time_verbose.php
error_reporting(E_ALL);
ob_start();


// USE JAVASCRIPT TO GET THE CLIENT TIME AND COMPARE TO THE SERVER TIME


// TEST WITH DIFFERENT TIMEZONES IN THE URL PARAMETER
$z = isset($_GET["z"]) ? strtoupper(substr(trim($_GET["z"]),0,1)) : "?";
switch ($z)
{
    case 'W' : date_default_timezone_set('America/Los_Angeles'); break;
    case 'M' : date_default_timezone_set('America/Denver');      break;
    case 'C' : date_default_timezone_set('America/Chicago');     break;
    case 'E' : date_default_timezone_set('America/New_York');    break;
    default  : date_default_timezone_set('UTC');
}

// MAKE IT EASIER TO READ
echo "<pre>";

// IF THE FORM IS SUBMITTED
if (!empty($_POST))
{
    // ADD A CAUTIONARY NOTE
    echo "PLEASE DO NOT 'REFRESH' THIS PAGE -- USE THE SUBMIT BUTTON INSTEAD!";

    // COMPUTE THE SERVER TIME AND DIFFERENCE FROM CLIENT POST-REQUEST
    list ($usec, $sec) = explode(' ', microtime());
    $server_time = number_format(round($sec * 1000 + $usec * 1000), 0, '', '');
    $client_time = $_POST["date_u"];
    $milli_diff  = $server_time - $client_time;

    echo "<br/>COMPUTED TIME DIFFERENCE BETWEEN SERVER AND CLIENT: $milli_diff MS";
    echo PHP_EOL;

    // ACTIVATE THIS TO SEE THE POST ARRAY
    // var_dump($_POST);

    // SERVER SECONDS SINCE THE EPOCH
    $server_timestamp = time();

    // CLIENT JAVASCRIPT MILLISECONDS SINCE THE EPOCH
    $client_millitime = $_POST["date_u"];
    $client_timestamp = (int)round($client_millitime / 1000.0);
    $timestamps_diff  = $server_timestamp - $client_timestamp;
    echo "<br/>ACCORDING TO THE VALUE FROM dateObject.getTime()";
    echo "<br/>TIME FROM CLIENT POST TO SERVER PROCESSING IS $timestamps_diff SECONDS";
    echo "<br/>CLIENT ISO8601 DATETIME IS " . date('c', $client_timestamp);
    echo PHP_EOL;

    // CLIENT'S OFFSET FROM GMT / UTC
    $client_offset_hours = (int)round($_POST["date_O"] / 60);
    echo "<br/>ACCORDING TO THE VALUE FROM dateObject.getTimezoneOffset()";
    echo "<br/>CLIENT IS LOCATED $client_offset_hours HOURS FROM UTC";
    echo PHP_EOL;

    // CLIENT'S DATE FROM THE POSTED STRINGS INTO A TIMESTAMP
    $client_timestamp = strtotime
    (       $_POST["date_Y"]
    . '-' . $_POST["date_m"]
    . '-' . $_POST["date_d"]
    . 'T' . $_POST["date_h"]
    . ':' . $_POST["date_i"]
    . ':' . $_POST["date_s"]
    )
    ;
    if ($client_timestamp === FALSE) echo "<br/>POST DATA IS BOGUS";

    echo "<br/>ACCORDING TO THE SEVERAL VALUES FROM dateObject.get***()";
    echo "<br/>CLIENT ISO8601 DATETIME IS " . date('c', $client_timestamp);
    echo "<br/>CLIENT PRETTY DATE IS " . date('l, \t\h\e jS \o\f F Y g:i:s A', $client_timestamp);
    echo PHP_EOL;
}

// CURRENT SERVER INFORMATION
echo "<br/>THE SERVER TIMEZONE IS " . date_default_timezone_get();
echo "<br/>THE SERVER DATETIME IS " . date('c');

// END OF PHP - USE HTML AND JS TO CREATE THE FORM
echo "</pre>" . PHP_EOL; ?>

<form id="d" method="post">
<input name="date_O" id="dateTime_O" type="hidden" />
<input name="date_u" id="dateTime_u" type="hidden" />
<input name="date_Y" id="dateTime_Y" type="hidden" />
<input name="date_m" id="dateTime_m" type="hidden" />
<input name="date_d" id="dateTime_d" type="hidden" />
<input name="date_h" id="dateTime_h" type="hidden" />
<input name="date_i" id="dateTime_i" type="hidden" />
<input name="date_s" id="dateTime_s" type="hidden" />
<input type="submit" value="CHECK CLIENT DATETIME" onClick="grabTime();" />
</form>

<!-- NOTE THIS WILL GIVE YOU THE VALUES AT AT SUBMIT TIME -->
<!-- MAN PAGE REF: http://www.w3schools.com/jsref/jsref_obj_date.asp -->
<script type="text/javascript">
function grabTime(){
    var dateObject = new Date();
    document.getElementById("dateTime_O").value = dateObject.getTimezoneOffset();
    document.getElementById("dateTime_u").value = dateObject.getTime();
    document.getElementById("dateTime_Y").value = dateObject.getFullYear();
    document.getElementById("dateTime_m").value = dateObject.getMonth() + 1;
    document.getElementById("dateTime_d").value = dateObject.getDate();
    document.getElementById("dateTime_h").value = dateObject.getHours();
    document.getElementById("dateTime_i").value = dateObject.getMinutes();
    document.getElementById("dateTime_s").value = dateObject.getSeconds();
}
</script>

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var now = new Date();
alert(dateFormat(now, "yyyy/mm/dd hh:MM:ss"));

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