PHP Convert Datetime DB fields to timespan

< ?php $curentdate=mktime(date("h"), date("i"), date("s"), date("m") , date("d"), date("Y")); $curentdatestart=mktime(date("h",strtotime($row_ekpompes['ext_series_trailer_startdate'])), date("i",strtotime($row_ekpompes['ext_series_trailer_startdate'])), date("s",strtotime($row_ekpompes['ext_series_trailer_startdate'])), date("m",strtotime($row_ekpompes['ext_series_trailer_startdate'])) , date("d",strtotime($row_ekpompes['ext_series_trailer_startdate'])), date("Y",strtotime($row_ekpompes['ext_series_trailer_startdate']))); $curentdateend=mktime(date("h",strtotime($row_ekpompes['ext_series_trailer_enddate'])), date("i",strtotime($row_ekpompes['ext_series_trailer_enddate'])), date("s",strtotime($row_ekpompes['ext_series_trailer_enddate'])), date("m",strtotime($row_ekpompes['ext_series_trailer_enddate'])) , date("d",strtotime($row_ekpompes['ext_series_trailer_enddate'])), date("Y",strtotime($row_ekpompes['ext_series_trailer_enddate']))); // strtotime if($row_ekpompes['ext_series_trailer_startdate']!=null && $row_ekpompes['ext_series_trailer_enddate']!=null && $row_ekpompes['ext_series_trailer']!=null){ if($curentdatestart=$curentdate ){ $video=$row_ekpompes['ext_series_trailer']; }else { $video=$row_ekpompes['ext_trailer']; } }else { $video=$row_ekpompes['ext_trailer']; } echo $video."===="; echo date('h:i:s / m/d/y'); echo "===".$curentdate."---".$curentdatestart."---".$curentdateend; echo $row_now['ext_trailer']."----"; echo $row_now['ext_series_trailer']."----"; echo $row_now['ext_series_trailer_startdate']."----"; …