pfaocle/date-form.php

## date-form.php
<html>

  <head>
    <title>PHP for CMS Developers - Exercise 1</title>
  </head>

  <body>

  <p>Enter a date, using a format understood by <a href="http://php.net/manual/en/class.datetime.php">http://php.net/manual/en/class.datetime.php</a></p>

  <form method="post">
    Date: <input type="text" name="date" maxlength="20" />
    <br />
    <input type="submit" value="Submit" />
  </form>

  <?php

    if ($_POST) {

      $output_format     = 'jS F, Y';  // like 1st January, 2012
      $utc_output_format = 'jS F, Y e';  // UTC

      $weeks_to_add      = 3;
      $interval_format   = "P{$weeks_to_add}W";

      $sDateString = filter_input(INPUT_POST, 'date', FILTER_SANITIZE_STRING);

      if (!empty($sDateString)) {
        echo 'String submitted: ' . $sDateString . "<br />\n";

        try {
          $sDate = new DateTime($sDateString);
          $sDate->setTimezone(new DateTimeZone('Europe/London'));
        }
        catch (Exception $e) {
          echo 'Error: that was not a valid date format. Details: ' . $e;
          exit;
        }

        // No __toString() for this object...
        echo 'Date object created: ' . $sDate->format($output_format) . "<br />\n";

        // Add 3 weeks and display in UTC format
        $sDate->add(new DateInterval($interval_format));
        $sDate->setTimezone(new DateTimeZone('UTC'));
        echo 'Date object altered: ' . $sDate->format($utc_output_format) . "<br />\n";
      }
      else {
        echo 'Nothing entered. Try again...';
      }
    }

  ?>

  </body>
</html>
	<html>

	<head>
	<title>PHP for CMS Developers - Exercise 1</title>
	</head>

	<body>

	<p>Enter a date, using a format understood by <a href="http://php.net/manual/en/class.datetime.php">http://php.net/manual/en/class.datetime.php</a></p>

	<form method="post">
	Date: <input type="text" name="date" maxlength="20" />
	<br />
	<input type="submit" value="Submit" />
	</form>

	<?php

	if ($_POST) {

	$output_format = 'jS F, Y'; // like 1st January, 2012
	$utc_output_format = 'jS F, Y e'; // UTC

	$weeks_to_add = 3;
	$interval_format = "P{$weeks_to_add}W";

	$sDateString = filter_input(INPUT_POST, 'date', FILTER_SANITIZE_STRING);

	if (!empty($sDateString)) {
	echo 'String submitted: ' . $sDateString . "<br />\n";

	try {
	$sDate = new DateTime($sDateString);
	$sDate->setTimezone(new DateTimeZone('Europe/London'));
	}
	catch (Exception $e) {
	echo 'Error: that was not a valid date format. Details: ' . $e;
	exit;
	}

	// No __toString() for this object...
	echo 'Date object created: ' . $sDate->format($output_format) . "<br />\n";

	// Add 3 weeks and display in UTC format
	$sDate->add(new DateInterval($interval_format));
	$sDate->setTimezone(new DateTimeZone('UTC'));
	echo 'Date object altered: ' . $sDate->format($utc_output_format) . "<br />\n";
	}
	else {
	echo 'Nothing entered. Try again...';
	}
	}

	?>

	</body>
	</html>