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<?php $str = "FREQ=WEEKLY;UNTIL=20170728T080000Z;BYDAY=MO,TU,WE,TH,FR"; preg_match_all('~(\w+)=([^;]+)~', $str, $matches); [$freq, $until, $byday] = $matches[2]; echo $freq, " ", $until, " ", $byday;

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