Online PHP editor | output for 0ErGG

@ 2017-08-17T08:39:39Z

<?php

$datetime = new DateTimeImmutable('2017-07-13');

$prettyDateFormatter = new IntlDateFormatter('en_US', IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'America/Chicago', IntlDateFormatter::GREGORIAN, 'yyyy-MM-dd');
$prettyDateFormatter->setPattern('MMM d yyyy');

echo 'Timestamp: ', $prettyDateFormatter->format($datetime->getTimestamp()) ?: $prettyDateFormatter->getErrorMessage(), "\n";
echo 'DateTime: ', $prettyDateFormatter->format(new DateTime('2017-07-13')) ?: $prettyDateFormatter->getErrorMessage(), "\n";
echo 'DateTimeImmutable: ', $prettyDateFormatter->format($datetime) ?: $prettyDateFormatter->getErrorMessage(), "\n";

Output for 7.1.5 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Timestamp: Jul 12 2017 DateTime: Jul 12 2017 DateTimeImmutable: Jul 12 2017
Output for 8.0.13: Fatal error: Uncaught Error: Class "IntlDateFormatter" not found in /in/0ErGG:5 Stack trace: #0 {main} thrown in /in/0ErGG on line 5
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33: Fatal error: Uncaught Error: Class 'IntlDateFormatter' not found in /in/0ErGG:5 Stack trace: #0 {main} thrown in /in/0ErGG on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.4: Timestamp: Jul 12 2017 DateTime: Jul 12 2017 DateTimeImmutable: datefmt_format: invalid object type for date/time (only IntlCalendar and DateTime permitted): U_ILLEGAL_ARGUMENT_ERROR

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