dateTime.php

<?php

// Create new DateTime objects and format them


// Specified date/time in your server's time zone.
$date = date_create('2001-01-01');
echo $date->format('Y-m-d H:i:s P') . "<br/><br/>";

// Specified date/time in the specified time zone.
$date = date_create('2004-07-26', timezone_open('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:s P') . "<br/><br/>";

// Current date/time in your server's time zone.
$date = date_create();
echo $date->format('Y-m-d H:i:s A P') . "<br/><br/>";

// Current date/time in the specified time zone.
$date = date_create(null, timezone_open("America/New_York"));
echo $date->format('Y-m-d H:i:s a T') . "<br/><br/>";

// Non-existent values roll over.
$date = date_create('2000-02-30');
echo $date->format('Y-m-d H:i:s e') . "<br/><br/>";

$today = date_create('10:36 PM', timezone_open("America/New_York"));
$tomorrow = date_create('tomorrow 11:00 AM', timezone_open("America/New_York"));

echo $infuDate = date_format($today, "Y-m-d\TH:i:s"). "<br/><br/>";  //  2013-12-20T16:30:00

echo $humanDate = date_format($today, "F jS"). "<br/><br/>";     // December 20th

echo $humanTime = date_format($today, "g:i A T"). "<br/><br/>";  // returns 4:30 EST

echo $infuDate = date_format($tomorrow, "Y-m-d\TH:i:s"). "<br/><br/>";    //  2013-12-19T16:30:00

echo $myDate = date_format($tomorrow, 'Ymd'). "<br/><br/>";      //  20131219



// To change a date, use date_date_set()


$date = date_create();
echo date_format($date, 'Y-m-d') . "<br/>";

date_date_set($date, 2001, 2, 3);
echo date_format($date, 'Y-m-d') . "<br/><br/>";

//To change a time, date_time_set()

$date = date_create('2001-01-01');
echo date_format($date, 'Y-m-d H:i:s') . "<br/>";

date_time_set($date, 14, 55);
echo date_format($date, 'Y-m-d H:i:s') . "<br/><br/>";

//To change a time zone, date_time_set()
		
$date = date_create('2000-01-01', timezone_open('America/Anchorage'));
echo date_format($date, 'Y-m-d H:i:s T') . "<br/>";

date_timezone_set($date, timezone_open('America/Chicago'));
echo date_format($date, 'Y-m-d H:i:s T') . "<br/><br/>";

// To change using a string, use date_modify() 

$date = date_create('2006-12-12');
echo date_format($date, 'Y-m-d') . "<br/>";

date_modify($date, '+1 day');
echo date_format($date, 'Y-m-d') . "<br/><br/>";


// More On Timezones


$date = date_create();
echo date_format($date, 'Y-m-d H:i:s T') . '<br/>';

date_default_timezone_set('America/New_York');

$date = date_create();
echo date_format($date, 'Y-m-d H:i:s T');


// Comparing dates


$today = date_create(null, timezone_open("America/New_York"));
$next_class = date_create('2014-01-21 16:30', timezone_open('America/New_York'));

if($today > $next_class) {
		echo 'Too late!';
	} else {
		echo "You still have time to register!";	
	}
echo '<br/>';

// Using date_diff 
	
$interval = date_diff($today, $next_class);

 echo "<pre>"; 
     print_r($interval); 
 echo "</pre>";
 
 $days = date_interval_format($interval, "%a days");
 echo "You still have $days to register <br/><br/>";

 
 
 // Adding the diff to another DateTime

 
 
echo 'Today is ' . date_format($today, 'Y-m-d H:i:s T') . "<br/>";
echo 'Next class is ' . date_format($next_class, 'Y-m-d H:i:s T') . "<br/><br/>";

date_add($today, $interval);

echo 'Today is ' . date_format($today, 'Y-m-d H:i:s T') . "<br/>";
echo 'Next class is ' . date_format($next_class, 'Y-m-d H:i:s T') . "<br/><br/>";

date_sub($today, $interval);

echo 'Today is ' . date_format($today, 'Y-m-d H:i:s T') . "<br/>";
echo 'Next class is ' . date_format($next_class, 'Y-m-d H:i:s T') . "<br/><br/>";


// Some API Examples


require_once("isdk.php");  
$app = new iSDK;
if ($app->cfgCon("sandbox")) { 
	
	// Current date in Infusionsoft-friendly format

	$currentDate = date("Ymd H:i:s");  // Notice old date() function
	
	$currentDate = date_format(date_create(), 'Ymd H:i:s');
	echo "You connected at $currentDate <br/>";
	echo $iDate = $app->infuDate($currentDate);
	
	// Check to see if these fields are already set

	$returnFields = array('_FirstPurchaseDate', '_HumanizedWebinarDate', 'Anniversary');
	$conDat = $app->loadCon(133, $returnFields);
	
	 echo "<pre>"; 
	     print_r($conDat); 
	 echo "</pre>";

	
	// If not, set them
	
	
	echo $webHuman = date_format(date_create('Feb 26, 2014'), 'F jS');
	echo '<br/><br/>';
		
		
		if(!isset($conDat['_FirstPurchaseDate'])) {  // notice this is different
			$update = array('_FirstPurchaseDate' => $currentDate);
			echo $conID = $app->updateCon(133, $update) . "<br/>";  // !
		}
		 
		 		 	
		if(!$conDat['_HumanizedWebinarDate']) {     // than this
			$update = array('_HumanizedWebinarDate' => $webHuman);
			echo $conID = $app->updateCon(133, $update). "<br/>";	
			}

		
		if(!$conDat['Anniversary']) {
			$update = array('Anniversary' => $currentDate);
			echo $conID = $app->updateCon(133, $update). "<br/>";
		}

			
	// How long between first login and first purchase
	// Extra credit: Why did I have to use date_create again?
	

	$firstLogin = date_create($conDat['Anniversary']);
	$firstPurchase = date_create($conDat['_FirstPurchaseDate']);
	
	$interval = date_diff($firstLogin, $firstPurchase);
	$days = date_interval_format($interval, "%a days");
	echo "Took $days for this person to purchase";

	
 }else {
	echo "Not Connected...";
}