php datetime to ISO8601 format code example

Example 1: php convert date and time to iso 8601

//Object Oriented Method

$datetime = new DateTime('2010-12-30 23:21:46');

echo $datetime->format(DateTime::ATOM); // Updated ISO8601


//Procedural Method

echo date(DATE_ISO8601, strtotime('2010-12-30 23:21:46'));

Example 2: php datetime

/**
 * Its always best to use a datetime object
 */
$dateTime = new \DateTime();
/**
 * You can get the string by using format
 */
$dateTime->format('Y-m-d H:i:s');