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<?php function standard_date_format($str) { preg_match_all('/(\d{1,2}) (\w+) (\d{4})/', $str, $matches); $dates = array_map("strtotime", $matches[0]); $result = array_map(function($v) {return date("Y-m-d", $v); }, $dates); return $result; } $str1 = "Company registered on 16 March 2003"; $str2 = "Activity between 10 May 2006 an 10 July 2008 - no changes."; print_r(standard_date_format($str1)); print_r(standard_date_format($str2));

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