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<?php // transforms a U.S. date (MM/DD/YYYY) into a French date (DD/MM/YY) $a1 = '04/23/0288'; // for test $a2 = preg_replace("/([\d]+)\/([\d]+)\/[\d]{1}([\d]){2}/", "$2/$1/$3", $a1); echo $a2; // must be '23/04/15'

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