Documentation

EccLevel
in package

FinalYes

This class encapsulates the four error correction levels defined by the QR code standard.

Table of Contents

Constants

H  = 0b10
L  = 0b1
M  = 0b0
Q  = 0b11
FORMAT_PATTERN  = [[ // L 0b111011111000100, 0b111001011110011, 0b111110110101010, 0b111100010011101, 0b110011000101111, 0b110001100011000, 0b110110001000001, 0b110100101110110, ], [ // M 0b101010000010010, 0b101000100100101, 0b101111001111100, 0b101101101001011, 0b100010111111001, 0b100000011001110, 0b100111110010111, 0b100101010100000, ], [ // Q 0b11010101011111, 0b11000001101000, 0b11111100110001, 0b11101000000110, 0b10010010110100, 0b10000110000011, 0b10111011011010, 0b10101111101101, ], [ // H 0b1011010001001, 0b1001110111110, 0b1110011100111, 0b1100111010000, 0b11101100010, 0b1001010101, 0b110100001100, 0b100000111011, ]]
ISO/IEC 18004:2000 Section 8.9 - Format Information
MAX_BITS  = [ // [ L, M, Q, H] // v => modules [0, 0, 0, 0], // 0 => will be ignored, index starts at 1 [152, 128, 104, 72], // 1 => 21 [272, 224, 176, 128], // 2 => 25 [440, 352, 272, 208], // 3 => 29 [640, 512, 384, 288], // 4 => 33 [864, 688, 496, 368], // 5 => 37 [1088, 864, 608, 480], // 6 => 41 [1248, 992, 704, 528], // 7 => 45 [1552, 1232, 880, 688], // 8 => 49 [1856, 1456, 1056, 800], // 9 => 53 [2192, 1728, 1232, 976], // 10 => 57 [2592, 2032, 1440, 1120], // 11 => 61 [2960, 2320, 1648, 1264], // 12 => 65 [3424, 2672, 1952, 1440], // 13 => 69 NICE! [3688, 2920, 2088, 1576], // 14 => 73 [4184, 3320, 2360, 1784], // 15 => 77 [4712, 3624, 2600, 2024], // 16 => 81 [5176, 4056, 2936, 2264], // 17 => 85 [5768, 4504, 3176, 2504], // 18 => 89 [6360, 5016, 3560, 2728], // 19 => 93 [6888, 5352, 3880, 3080], // 20 => 97 [7456, 5712, 4096, 3248], // 21 => 101 [8048, 6256, 4544, 3536], // 22 => 105 [8752, 6880, 4912, 3712], // 23 => 109 [9392, 7312, 5312, 4112], // 24 => 113 [10208, 8000, 5744, 4304], // 25 => 117 [10960, 8496, 6032, 4768], // 26 => 121 [11744, 9024, 6464, 5024], // 27 => 125 [12248, 9544, 6968, 5288], // 28 => 129 [13048, 10136, 7288, 5608], // 29 => 133 [13880, 10984, 7880, 5960], // 30 => 137 [14744, 11640, 8264, 6344], // 31 => 141 [15640, 12328, 8920, 6760], // 32 => 145 [16568, 13048, 9368, 7208], // 33 => 149 [17528, 13800, 9848, 7688], // 34 => 153 [18448, 14496, 10288, 7888], // 35 => 157 [19472, 15312, 10832, 8432], // 36 => 161 [20528, 15936, 11408, 8768], // 37 => 165 [21616, 16816, 12016, 9136], // 38 => 169 [22496, 17728, 12656, 9776], // 39 => 173 [23648, 18672, 13328, 10208], ]
ISO/IEC 18004:2000 Tables 7-11 - Number of symbol characters and input data capacity for versions 1 to 40

Properties

$eccLevel  : int
The current ECC level value

Methods

__construct()  : mixed
__toString()  : string
returns the string representation of the current ECC level
getformatPattern()  : int
returns the format pattern for the given $eccLevel and $maskPattern
getLevel()  : int
returns the current ECC level
getMaxBits()  : array<string|int, int>
returns an array with the max bit lengths for version 1-40 and the current ECC level
getMaxBitsForVersion()  : int
Returns the maximum bit length for the given version and current ECC level
getOrdinal()  : int
returns the ordinal value of the current ECC level

Constants

FORMAT_PATTERN

ISO/IEC 18004:2000 Section 8.9 - Format Information

private array<string|int, array<string|int, int>> FORMAT_PATTERN = [[ // L 0b111011111000100, 0b111001011110011, 0b111110110101010, 0b111100010011101, 0b110011000101111, 0b110001100011000, 0b110110001000001, 0b110100101110110, ], [ // M 0b101010000010010, 0b101000100100101, 0b101111001111100, 0b101101101001011, 0b100010111111001, 0b100000011001110, 0b100111110010111, 0b100101010100000, ], [ // Q 0b11010101011111, 0b11000001101000, 0b11111100110001, 0b11101000000110, 0b10010010110100, 0b10000110000011, 0b10111011011010, 0b10101111101101, ], [ // H 0b1011010001001, 0b1001110111110, 0b1110011100111, 0b1100111010000, 0b11101100010, 0b1001010101, 0b110100001100, 0b100000111011, ]]

ECC level -> mask pattern

MAX_BITS

ISO/IEC 18004:2000 Tables 7-11 - Number of symbol characters and input data capacity for versions 1 to 40

private array<string|int, array<string|int, int>> MAX_BITS = [ // [ L, M, Q, H] // v => modules [0, 0, 0, 0], // 0 => will be ignored, index starts at 1 [152, 128, 104, 72], // 1 => 21 [272, 224, 176, 128], // 2 => 25 [440, 352, 272, 208], // 3 => 29 [640, 512, 384, 288], // 4 => 33 [864, 688, 496, 368], // 5 => 37 [1088, 864, 608, 480], // 6 => 41 [1248, 992, 704, 528], // 7 => 45 [1552, 1232, 880, 688], // 8 => 49 [1856, 1456, 1056, 800], // 9 => 53 [2192, 1728, 1232, 976], // 10 => 57 [2592, 2032, 1440, 1120], // 11 => 61 [2960, 2320, 1648, 1264], // 12 => 65 [3424, 2672, 1952, 1440], // 13 => 69 NICE! [3688, 2920, 2088, 1576], // 14 => 73 [4184, 3320, 2360, 1784], // 15 => 77 [4712, 3624, 2600, 2024], // 16 => 81 [5176, 4056, 2936, 2264], // 17 => 85 [5768, 4504, 3176, 2504], // 18 => 89 [6360, 5016, 3560, 2728], // 19 => 93 [6888, 5352, 3880, 3080], // 20 => 97 [7456, 5712, 4096, 3248], // 21 => 101 [8048, 6256, 4544, 3536], // 22 => 105 [8752, 6880, 4912, 3712], // 23 => 109 [9392, 7312, 5312, 4112], // 24 => 113 [10208, 8000, 5744, 4304], // 25 => 117 [10960, 8496, 6032, 4768], // 26 => 121 [11744, 9024, 6464, 5024], // 27 => 125 [12248, 9544, 6968, 5288], // 28 => 129 [13048, 10136, 7288, 5608], // 29 => 133 [13880, 10984, 7880, 5960], // 30 => 137 [14744, 11640, 8264, 6344], // 31 => 141 [15640, 12328, 8920, 6760], // 32 => 145 [16568, 13048, 9368, 7208], // 33 => 149 [17528, 13800, 9848, 7688], // 34 => 153 [18448, 14496, 10288, 7888], // 35 => 157 [19472, 15312, 10832, 8432], // 36 => 161 [20528, 15936, 11408, 8768], // 37 => 165 [21616, 16816, 12016, 9136], // 38 => 169 [22496, 17728, 12656, 9776], // 39 => 173 [23648, 18672, 13328, 10208], ]

Properties

$eccLevel

The current ECC level value

private int $eccLevel

L: 0b01 M: 0b00 Q: 0b11 H: 0b10

Methods

__construct()

public __construct(int $eccLevel) : mixed
Parameters
$eccLevel : int

containing the two bits encoding a QR Code's error correction level

Tags
throws
QRCodeException

__toString()

returns the string representation of the current ECC level

public __toString() : string
Return values
string

getformatPattern()

returns the format pattern for the given $eccLevel and $maskPattern

public getformatPattern(MaskPattern $maskPattern) : int
Parameters
$maskPattern : MaskPattern
Return values
int

getLevel()

returns the current ECC level

public getLevel() : int
Return values
int

getMaxBits()

returns an array with the max bit lengths for version 1-40 and the current ECC level

public getMaxBits() : array<string|int, int>
Return values
array<string|int, int>

getMaxBitsForVersion()

Returns the maximum bit length for the given version and current ECC level

public getMaxBitsForVersion(Version $version) : int
Parameters
$version : Version
Return values
int 

        

        
    




    

    

                                

                

                                
    

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