Untested, but should work

Steve Buehler wrote:

function getstart_end(){
    $result=mysql_query("SELECT * FROM aplayabletimes ORDER BY min");
    while(($row=mysql_fetch_object($result))){
        if(!$i){
            echo $row->min . " - ";
               $i=$row->min;

        }else{
$tmp = $i + 5 minutes // add 5 minutes to $i, implement it yourself
if($tmp != $row->min) {  // there is a gap
   echo $i ."<br>\n";  // print previous time as end
   echo $row->min . " - ";  // print this time as new start
}
$i = $tmp; // keep this new time for next loop

        }
    }
echo $row->min ."<br>\n";  // print last row

}





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