<!-- Collection of code snippets by Arne Vajhøj -->
<!-- posted to eksperten.dk, usenet and other places (2002-now) -->
<?php
function test($locale, $t, $strip = '') {
    echo "Locale: $locale\r\n";
    $idf = new IntlDateFormatter($locale, IntlDateFormatter::LONG, IntlDateFormatter::NONE);
    echo $idf->format($t) . "\r\n";
    $pattern = $idf->getPattern();
    $pattern = preg_replace('/[' . $strip . ']/', '', $pattern);
    $idf->setPattern($pattern);
    echo $idf->format($t) . "\r\n";
}

$t = time();
foreach (['da_DK', 'en_US', 'fr_FR', 'de_DE'] as $locale) {
    test($locale, $t, 'y,');
}
?>