Online PHP editor | output for ZjcK0

<?php $locales = array( 'en_EN', 'de_DE', 'nl_NL' // etc... ); // be aware that setlocale() needs different values on Windows machines // see the docs on setlocale() for more information $locales = array( 'english', 'german', 'dutch' // etc... ); // let's remember the current local setting $oldLocale = setlocale( LC_TIME, '0' ); // initialize out result array $localizedWeekdays = array(); // loop each locale foreach( $locales as $locale ) { // create sub result array for this locale $localizedWeekdays[ $locale ] = array(); // 7 days in a week for( $i = 0; $i < 7; $i++ ) { // set the locale on each iteration again setlocale( LC_TIME, $locale ); // combine strftime() with the nifty strtotime() $localizedWeekdays[ $locale ][] = strftime( '%A', strtotime( 'next Monday +' . $i . ' days' ) ); // reset the locale for other threads, as a courtesy setlocale( LC_TIME, $oldLocale ); } } // there is your result in a multi-dimensional array var_dump( $localizedWeekdays ); ); ?>