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time.php
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time.php
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<?php
function convert_to_second($from_unit,$value){
if($value==0){
return 0;
}
if($from_unit == 'second'){
return $value ;
}
else if($from_unit == 'minute'){
return $value*60;
}
else if($from_unit == 'hour'){
return $value * 3600;
}
else if($from_unit == 'day'){
return $value * 86400;
}
else if($from_unit == 'week'){
return $value * 604800;
}
else if($from_unit == 'month'){
return $value * 2628000;
}
else if($from_unit == 'cyear'){
return $value * 31540000;
}
else if($from_unit == 'decade'){
return $value*315400000;
}
else if($from_unit == 'century'){
return $value*3154000000;
}
else if($from_unit == 'ms'){
return $value / 1000;
}
else if($from_unit == 'micros'){
return $value / 1000000;
}
else if($from_unit == 'ns'){
return $value / 1000000000;
}
else
return "Unsupported unit";
}
function convert_from_second($to_unit,$value){
if($value==0){
return 0;
}
if($to_unit == 'second'){
return $value ;
}
else if($to_unit == 'minute'){
return $value/60;
}
else if($to_unit == 'hour'){
return $value / 3600;
}
else if($to_unit == 'day'){
return $value / 86400;
}
else if($to_unit == 'week'){
return $value / 604800;
}
else if($to_unit == 'month'){
return $value / 2628000;
}
else if($to_unit == 'cyear'){
return $value / 31540000;
}
else if($to_unit == 'decade'){
return $value / 315400000;
}
else if($to_unit == 'century'){
return $value / 3154000000;
}
else if($to_unit == 'ms'){
return $value * 1000;
}
else if($to_unit == 'micros'){
return $value * 1000000;
}
else if($to_unit == 'ns'){
return $value * 1000000000;
}
else
return "Unsupported unit";
}
$from_value = "";
$to_value = "";
$from_unit = "";
$to_unit = "";
if(isset($_REQUEST['submit']) && $_REQUEST['from_value']==""){
$from_value = 0;
$from_unit = $_REQUEST['from_unit'];
$to_unit = $_REQUEST['to_unit'];
$to_value = convert_to_second($from_unit, 0);
}
if(isset($_REQUEST['submit']) && $_REQUEST['from_unit']!=""){
$from_value = $_REQUEST['from_value'];
$from_unit = $_REQUEST['from_unit'];
$to_unit = $_REQUEST['to_unit'];
$to_value = convert_from_second($to_unit,convert_to_second($from_unit, $from_value));
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Convert Time</title>
<link href="style.css" rel="stylesheet" type="text/css">
<link href="https://fonts.googleapis.com/css?family=Gayathri&display=swap" rel="stylesheet">
<link rel="shortcut icon" href="images/title.png" />
</head>
<body>
<h1> Time Conversion </h1>
<div id="main-content">
<form action="" method="post">
<div class="entry">
<label>From:</label>
<input type="number" step="any" name="from_value" autofocus value="<?php echo $from_value; if(isset($_REQUEST['submit']) && $_REQUEST['from_value']==""){ echo 0;}?>"/>
<select name="from_unit">
<option value="ns" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST["from_unit"]=='ns') { echo " selected";}?>> Nanosecond</option>
<option value="micros" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='micros') { echo " selected";}?>> Microsecond</option>
<option value="ms" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='ms') { echo " selected";}?> >Millisecond </option>
<option value="second" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='second') { echo " selected";}?> >Second scale</option>
<option value="minute" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST["from_unit"]=='minute') { echo " selected";}?>> Minute</option>
<option value="hour" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='hour') { echo " selected";}?>> Hour</option>
<option value="day" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='day') { echo " selected";}?> >Day </option>
<option value="week" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='week') { echo " selected";}?> >Week</option>
<option value="month" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST["from_unit"]=='month') { echo " selected";}?>> Month</option>
<option value="cyear" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='cyear') { echo " selected";}?>> Calender year</option>
<option value="decade" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='decade') { echo " selected";}?> >Decade </option>
<option value="century" <?php if(isset($_REQUEST["from_unit"]) && $_REQUEST['from_unit']=='century') { echo " selected";}?> >Century</option>
</select>
</div>
<div class="entry">
<label>To:</label>
<input type="number" step="any" name="to_value" value="<?php echo $to_value; ?>"/>
<select name="to_unit">
<option value="ns" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST["to_unit"]=='ns') { echo " selected";}?>> Nanosecond</option>
<option value="micros" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='micros') { echo " selected";}?>> Microsecond</option>
<option value="ms" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='ms') { echo " selected";}?> >Millisecond </option>
<option value="second" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='second') { echo " selected";}?> >Second scale</option>
<option value="minute" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST["to_unit"]=='minute') { echo " selected";}?>> Minute</option>
<option value="hour" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='hour') { echo " selected";}?>> Hour</option>
<option value="day" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='day') { echo " selected";}?> >Day </option>
<option value="week" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='week') { echo " selected";}?> >Week</option>
<option value="month" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST["to_unit"]=='month') { echo " selected";}?>> Month</option>
<option value="cyear" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='cyear') { echo " selected";}?>> Calender year</option>
<option value="decade" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='decade') { echo " selected";}?> >Decade </option>
<option value="century" <?php if(isset($_REQUEST["to_unit"]) && $_REQUEST['to_unit']=='century') { echo " selected";}?> >Century</option>
</select>
</div>
<input type="submit" name="submit" value="Submit"/>
</form>
<br>
<a href="index.html">Return to menu</a>
</div>
</body>
</html>