**รบกวน แนะนำหน่อย คับ..ผมให้มันค้นหา คำ ถ้าเจอ แล้ว ให้ นำค่ามาคูณ กัน

if($B[0]==1 and $B[1]=="LSD"){
  $LSD1=3.81;
  
  $sumn_1= ($LSD1 * $each);
  echo $sumn_1.' '."cm"."<br>";
  if($B[0]==1    and   $B[1]="LSD"  and  $pieces[1]=="X"){
    echo str2exp2($each).' '."cm"."<HR>"; 
}
 //------------------------------------------------------------ 
}else if($B[0]==2 && $B[1]="LSD"){
$LSD2=7.62;

$sumn_2 = ($LSD2 * $each);
echo $sumn_2.' '."cm"."<br>";
  if($B[0]==2    and   $B[1]="LSD"  and  $pieces[1]=="X"){
echo str2exp2($each).' '."cm"."<HR>"; 
  }
 //------------------------------------------------------------  
}else if($B[0]==3 && $B[1]="LSD"){
$LSD3=11.43;

$sumn_3 = ($LSD3 * $each);
echo $sumn_3.' '."cm"."<br>";
  if($B[0]==3    and   $B[1]="LSD"  and  $pieces[1]=="X"){
echo str2exp2($each).' '."cm"."<HR>"; 
  }
  //--------------------------------------------------------------
 }else if($B[0]==4 && $B[1]="LSD"){
$LSD4=15.24;

$sumn_4 = ($LSD4 * $each);
echo $sumn_4.' '."cm"."<br>";
  if($B[0]==4    and   $B[1]="LSD"  and  $pieces[1]=="X"){
echo str2exp2($each).' '."cm"."<HR>"; 
  }
  //--------------------------------------------------------------
 }else if($B[0]==5 && $B[1]="LSD"){
$LSD5=19.05;

$sumn_5 =($LSD5 * $each);
echo $sumn_5.' '."cm"."<br>";
  if($B[0]==5    and   $B[1]="LSD"  and  $pieces[1]=="X"){
echo str2exp2($each).' '."cm"."<HR>"; 
  }
  //--------------------------------------------------------------
}else{
echo str2exp2($each).' '."cm"."<HR>";
}