Barcode use for passing message by a symbol. This php class easily create barcode. Barcode-39: 100011011001110110, 36 => 100010001000100110, 37 => 100110001000100010, 42 => 100010011101110110, 43 => 100010011000100010, 45 => 100010011001110111, 46 => 110010011001110110, 47 => 100010001001100010, 48 => 100110001101110110, 49 => 110110001001100111, 50 => 100111001001100111, 51 => 110111001001100110, 52 => 100110001101100111, 53 => 110110001101100110, 54 => 100111001101100110, 55 => 100110001001110111, 56 => 110110001001110110, 57 => 100111001001110110, 65 => 110110011000100111, 66 => 100111011000100111, 67 => 110111011000100110, 68 => 100110011100100111, 69 => 110110011100100110, 70 => 100111011100100110, 71 => 100110011000110111, 72 => 110110011000110110, 73 => 100111011000110110, 74 => 100110011100110110, 75 => 110110011001100011, 76 => 100111011001100011, 77 => 110111011001100010, 78 => 10011...