3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(DateTime::createFromFormat('!Y', '-18', new DateTimeZone('UTC')), DateTime::getLastErrors());
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.21, 7.4.0 - 7.4.9, 8.0.0alpha1 - beta1
bool(false) array(4) { ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(1) ["errors"]=> array(1) { [0]=> string(22) "Unexpected data found." } }