php - Can't unset rows in my array -


i'm trying delete empty rows in arrays, can achieve that. need help.

here's i've tried : 

        $specialites = serialize($_post['specialite']);         foreach($specialites $specialite) {             if($specialite=='')                 unset($specialites[$specialite]);         }

but every time, error (blank page). need please. thank !

i check 1 problem serialize called first before foreach, actual problem. need this:-

 $specialites = $_post['specialite'];     foreach($specialites $key=> $special) {         if(empty($special) || $special == '')             unset($specialites[$key]);     }     $specialites = serialize($specialites);

note:- if called serialize on variable no more array type variable.


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