php - How can i filter and echo data from multiple dropdown? -


i'm having dificulties in filtering , echo data multiple dropdown. can help? kinda lost here.

i want filter database data corresponding each dropdown...

i have following html code:

<form name="campsite_search" action="index.php" method="get"> shedding</br > <select name="shedding" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select> </br >grooming requirements</br > <select name="grooming requirements" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select> </br >exercise requirements</br > <select name="exercise requirements" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select> </br >biddabilty</br > <select name="biddabilty" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option>     </select> </br >prey drive</br > <select name="prey drive" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select> </br >barking/vocal</br > <select name="barking/vocal" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select> </br >drive</br > <select name="drive" class="input">    <option value="all">all</option>    <option value="low">low</option>    <option value="moderate">moderate</option>    <option value="high">high</option> </select>

and following php:

<?php          $shedding = $db->escapesimple($_get['shedding']);         $grooming = $db->escapesimple($_get['grooming requirements']);         $exercise = $db->escapesimple($_get['exercise requirements']);         $biddabilty = $db->escapesimple($_get['biddabilty']);         $prey = $db->escapesimple($_get['prey drive']);         $barking = $db->escapesimple($_get['barking/vocal']);         $drive = $db->escapesimple($_get['drive']);          $filter = "";          if($shedding !== 'all'){                             $filter .= "shedding ='".$shedding."'";         }          if($grooming !== 'all'){                             if(isset($shedding)&&($shedding !== 'all')){               $filter .= " , ";           }           $filter .= "grooming <='".$grooming."'";         }          if($exercise !== 'all'){           if(isset($grooming)&&($grooming !== 'all')||isset($shedding)&&($shedding !== 'all')){               $filter .= " , ";           }                             $filter .= "exercise <='".$exercise."'";         }          if($biddabilty !== 'all'){           if(isset($exercise)&&($exercise !== 'all')||isset($shedding)&&($shedding !== 'all')||isset($grooming)&&($grooming !== 'all')){               $filter .= " , ";           }                             $filter .= "biddabilty '%".$biddabilty."%'";         }          if($prey !== 'all'){           if(isset($biddabilty)&&($biddabilty !== 'all')||isset($exercise)&&($exercise !== 'all')||isset($shedding)&&($shedding !== 'all')||isset($grooming)&&($grooming !== 'all')){               $filter .= " , ";           }                                 $filter .= "prey ='".$prey."'";         }          if($barking !== 'all'){           if(isset($prey)&&($prey !== 'all')||isset($biddabilty)&&($biddabilty !== 'all')||isset($exercise)&&($exercise !== 'all')||isset($shedding)&&($shedding !== 'all')||isset($grooming)&&($grooming !== 'all')){               $filter .= " , ";           }                                 $filter .= "barking ='".$barking."'";         }          if($drive !== 'all'){           if(isset($barking)&&($barking !== 'all')||isset($prey)&&($prey !== 'all')||isset($biddabilty)&&($biddabilty !== 'all')||isset($exercise)&&($exercise !== 'all')||isset($shedding)&&($shedding !== 'all')||isset($grooming)&&($grooming !== 'all')){               $filter .= " , ";           }                                 $filter .= "drive ='".$drive."'";         }            //print_r($filter);         $rs = $a->select($view,$filter,$order,$offset,$limit);

?>


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