PHP Function that Counts String Length and Charges Price Based on # of Characters -

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i've got opencart vqmod counts string length , charges character. works perfectly, need charge following rules:

30-45 characters: $8.50

46+ characters: $12.00

edit: of now, mod multiplies string length set price per character, need charge flat $8.50 30-45 characters, or $12 46+ characters. can me modify following php? i'm pasting entire file here. responses far. appreciate of community.

edit 2: removed unnecessary code, showing string length potion.

                    //q: option price character                     $optprice = '';                     $optprefix = '';                     if ($option_query->row['type'] == 'text' || $option_query->row['type'] == 'textarea') {                             if (strlen($option_value)) {                                 $optprice = (strlen($option_value) * $option_query->row['price_per_char']);                                 $optprefix = '+';                                 $option_price += $optprice; 

if ($option_query->row['type'] == 'text' || $option_query->row['type'] == 'textarea') {     if (strlen($option_value)) {         // lumberjack's new code         $string_length = strlen($option_value);         if($string_length >= 30 && $string_length <= 45)          { $optprice = 8.5; }         else if($string_length >= 46)         { $optprice = 12.00; }         else {         // end new code           $optprice = (strlen($option_value) * $option_query->row['price_per_char']);         } // moved 2 lines         $optprefix = '+';         $option_price += $optprice;     }  }

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