<?php
$fmt = datefmt_create(
'en_US',
IntlDateFormatter::FULL,IntlDateFormatter::FULL,
'America/Los_Angeles',
IntlDateFormatter::GREGORIAN,
'MM/dd/yyyy'
);
echo 'Pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
echo 'First Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
datefmt_set_pattern($fmt, 'yyyyMMdd hh:mm:ss z');
echo 'Now pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
echo 'Second Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
?>