$find= mysqli_prepare($conn , "select userid from userinfo where city=? and (s1 like '%?%' || s2 like '%?%' || s3 like '%?%' ||s4 like '%?%' || s5 like '%?%') ");

mysqli_stmt_bind_param($find,'ssssss',$city,$show,$show,$show,$show,$show);
mysqli_stmt_execute($find);