| 1 | <?php |
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| 8 | class ColourUtil |
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| 9 | { |
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| 10 | /** |
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| 11 | * @var array |
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| 12 | */ |
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| 13 | private static $defaultColoursNames = [ |
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| 14 | 'black', |
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| 15 | 'red', |
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| 16 | 'green', |
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| 17 | 'yellow', |
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| 18 | 'blue', |
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| 19 | 'magenta', |
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| 20 | 'cyan', |
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| 21 | 'white', |
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| 22 | ]; |
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| 23 | |||
| 24 | /** |
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| 25 | * @var array |
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| 26 | */ |
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| 27 | private static $coloursMap = [ |
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| 28 | 0 => 'black', |
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| 29 | 1 => 'red', |
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| 30 | 2 => 'green', |
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| 31 | 3 => 'yellow', |
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| 32 | 4 => 'blue', |
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| 33 | 5 => 'magenta', |
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| 34 | 6 => 'cyan', |
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| 35 | 7 => 'white', |
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| 36 | 8 => 'black', |
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| 37 | 9 => 'red', |
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| 38 | 10 => 'green', |
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| 39 | 11 => 'yellow', |
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| 40 | 12 => 'blue', |
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| 41 | 13 => 'magenta', |
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| 42 | 14 => 'cyan', |
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| 43 | 15 => 'white', |
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| 44 | 16 => 'black', |
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| 45 | 17 => 'blue', |
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| 46 | 18 => 'blue', |
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| 47 | 19 => 'blue', |
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| 48 | 20 => 'blue', |
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| 49 | 21 => 'blue', |
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| 50 | 22 => 'green', |
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| 51 | 23 => 'cyan', |
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| 52 | 24 => 'cyan', |
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| 53 | 25 => 'blue', |
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| 54 | 26 => 'blue', |
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| 55 | 27 => 'blue', |
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| 56 | 28 => 'green', |
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| 57 | 29 => 'green', |
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| 58 | 30 => 'cyan', |
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| 59 | 31 => 'cyan', |
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| 60 | 32 => 'blue', |
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| 61 | 33 => 'blue', |
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| 62 | 34 => 'green', |
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| 63 | 35 => 'green', |
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| 64 | 36 => 'green', |
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| 65 | 37 => 'cyan', |
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| 66 | 38 => 'cyan', |
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| 67 | 39 => 'cyan', |
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| 68 | 40 => 'green', |
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| 69 | 41 => 'green', |
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| 70 | 42 => 'green', |
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| 71 | 43 => 'cyan', |
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| 72 | 44 => 'cyan', |
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| 73 | 45 => 'cyan', |
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| 74 | 46 => 'green', |
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| 75 | 47 => 'green', |
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| 76 | 48 => 'green', |
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| 77 | 49 => 'green', |
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| 78 | 50 => 'cyan', |
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| 79 | 51 => 'cyan', |
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| 80 | 52 => 'red', |
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| 81 | 53 => 'blue', |
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| 82 | 54 => 'blue', |
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| 83 | 55 => 'blue', |
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| 84 | 56 => 'blue', |
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| 85 | 57 => 'blue', |
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| 86 | 58 => 'yellow', |
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| 87 | 59 => 'black', |
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| 88 | 60 => 'blue', |
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| 89 | 61 => 'blue', |
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| 90 | 62 => 'blue', |
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| 91 | 63 => 'blue', |
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| 92 | 64 => 'green', |
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| 93 | 65 => 'green', |
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| 94 | 66 => 'cyan', |
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| 95 | 67 => 'cyan', |
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| 96 | 68 => 'blue', |
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| 97 | 69 => 'blue', |
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| 98 | 70 => 'green', |
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| 99 | 71 => 'green', |
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| 100 | 72 => 'green', |
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| 101 | 73 => 'cyan', |
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| 102 | 74 => 'cyan', |
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| 103 | 75 => 'cyan', |
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| 104 | 76 => 'green', |
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| 105 | 77 => 'green', |
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| 106 | 78 => 'green', |
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| 107 | 79 => 'green', |
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| 108 | 80 => 'cyan', |
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| 109 | 81 => 'cyan', |
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| 110 | 82 => 'green', |
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| 111 | 83 => 'green', |
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| 112 | 84 => 'green', |
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| 113 | 85 => 'green', |
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| 114 | 86 => 'cyan', |
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| 115 | 87 => 'cyan', |
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| 116 | 88 => 'red', |
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| 117 | 89 => 'magenta', |
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| 118 | 90 => 'magenta', |
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| 119 | 91 => 'magenta', |
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| 120 | 92 => 'blue', |
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| 121 | 93 => 'blue', |
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| 122 | 94 => 'yellow', |
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| 123 | 95 => 'red', |
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| 124 | 96 => 'magenta', |
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| 125 | 97 => 'magenta', |
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| 126 | 98 => 'blue', |
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| 127 | 99 => 'blue', |
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| 128 | 100 => 'yellow', |
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| 129 | 101 => 'yellow', |
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| 130 | 102 => 'white', |
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| 131 | 103 => 'blue', |
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| 132 | 104 => 'blue', |
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| 133 | 105 => 'blue', |
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| 134 | 106 => 'green', |
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| 135 | 107 => 'green', |
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| 136 | 108 => 'green', |
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| 137 | 109 => 'cyan', |
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| 138 | 110 => 'cyan', |
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| 139 | 111 => 'cyan', |
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| 140 | 112 => 'green', |
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| 141 | 113 => 'green', |
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| 142 | 114 => 'green', |
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| 143 | 115 => 'green', |
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| 144 | 116 => 'cyan', |
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| 145 | 117 => 'cyan', |
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| 146 | 118 => 'green', |
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| 147 | 119 => 'green', |
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| 148 | 120 => 'green', |
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| 149 | 121 => 'green', |
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| 150 | 122 => 'green', |
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| 151 | 123 => 'cyan', |
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| 152 | 124 => 'red', |
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| 153 | 125 => 'magenta', |
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| 154 | 126 => 'magenta', |
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| 155 | 127 => 'magenta', |
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| 156 | 128 => 'magenta', |
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| 157 | 129 => 'magenta', |
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| 158 | 130 => 'red', |
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| 159 | 131 => 'red', |
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| 160 | 132 => 'magenta', |
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| 161 | 133 => 'magenta', |
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| 162 | 134 => 'magenta', |
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| 163 | 135 => 'magenta', |
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| 164 | 136 => 'yellow', |
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| 165 | 137 => 'red', |
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| 166 | 138 => 'red', |
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| 167 | 139 => 'magenta', |
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| 168 | 140 => 'magenta', |
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| 169 | 141 => 'magenta', |
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| 170 | 142 => 'yellow', |
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| 171 | 143 => 'yellow', |
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| 172 | 144 => 'yellow', |
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| 173 | 145 => 'white', |
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| 174 | 146 => 'white', |
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| 175 | 147 => 'white', |
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| 176 | 148 => 'yellow', |
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| 177 | 149 => 'green', |
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| 178 | 150 => 'green', |
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| 179 | 151 => 'green', |
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| 180 | 152 => 'cyan', |
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| 181 | 153 => 'white', |
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| 182 | 154 => 'green', |
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| 183 | 155 => 'green', |
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| 184 | 156 => 'green', |
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| 185 | 157 => 'green', |
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| 186 | 158 => 'green', |
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| 187 | 159 => 'cyan', |
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| 188 | 160 => 'red', |
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| 189 | 161 => 'magenta', |
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| 190 | 162 => 'magenta', |
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| 191 | 163 => 'magenta', |
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| 192 | 164 => 'magenta', |
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| 193 | 165 => 'magenta', |
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| 194 | 166 => 'red', |
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| 195 | 167 => 'red', |
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| 196 | 168 => 'magenta', |
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| 197 | 169 => 'magenta', |
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| 198 | 170 => 'magenta', |
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| 199 | 171 => 'magenta', |
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| 200 | 172 => 'red', |
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| 201 | 173 => 'red', |
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| 202 | 174 => 'red', |
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| 203 | 175 => 'magenta', |
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| 204 | 176 => 'magenta', |
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| 205 | 177 => 'magenta', |
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| 206 | 178 => 'yellow', |
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| 207 | 179 => 'yellow', |
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| 208 | 180 => 'white', |
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| 209 | 181 => 'white', |
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| 210 | 182 => 'magenta', |
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| 211 | 183 => 'magenta', |
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| 212 | 184 => 'yellow', |
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| 213 | 185 => 'yellow', |
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| 214 | 186 => 'yellow', |
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| 215 | 187 => 'yellow', |
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| 216 | 188 => 'white', |
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| 217 | 189 => 'white', |
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| 218 | 190 => 'yellow', |
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| 219 | 191 => 'yellow', |
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| 220 | 192 => 'green', |
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| 221 | 193 => 'green', |
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| 222 | 194 => 'green', |
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| 223 | 195 => 'cyan', |
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| 224 | 196 => 'red', |
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| 225 | 197 => 'red', |
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| 226 | 198 => 'magenta', |
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| 227 | 199 => 'magenta', |
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| 228 | 200 => 'magenta', |
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| 229 | 201 => 'magenta', |
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| 230 | 202 => 'red', |
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| 231 | 203 => 'red', |
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| 232 | 204 => 'magenta', |
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| 233 | 205 => 'magenta', |
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| 234 | 206 => 'magenta', |
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| 235 | 207 => 'magenta', |
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| 236 | 208 => 'red', |
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| 237 | 209 => 'red', |
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| 238 | 210 => 'red', |
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| 239 | 211 => 'magenta', |
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| 240 | 212 => 'magenta', |
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| 241 | 213 => 'magenta', |
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| 242 | 214 => 'red', |
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| 243 | 215 => 'white', |
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| 244 | 216 => 'red', |
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| 245 | 217 => 'red', |
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| 246 | 218 => 'magenta', |
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| 247 | 219 => 'magenta', |
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| 248 | 220 => 'yellow', |
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| 249 | 221 => 'yellow', |
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| 250 | 222 => 'yellow', |
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| 251 | 223 => 'white', |
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| 252 | 224 => 'white', |
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| 253 | 225 => 'magenta', |
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| 254 | 226 => 'yellow', |
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| 255 | 227 => 'yellow', |
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| 256 | 228 => 'yellow', |
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| 257 | 229 => 'yellow', |
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| 258 | 230 => 'yellow', |
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| 259 | 231 => 'white', |
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| 260 | 232 => 'black', |
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| 261 | 233 => 'black', |
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| 262 | 234 => 'black', |
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| 263 | 235 => 'black', |
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| 264 | 236 => 'black', |
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| 265 | 237 => 'black', |
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| 266 | 238 => 'black', |
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| 267 | 239 => 'black', |
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| 268 | 240 => 'black', |
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| 269 | 241 => 'black', |
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| 270 | 242 => 'black', |
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| 271 | 243 => 'black', |
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| 272 | 244 => 'white', |
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| 273 | 245 => 'white', |
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| 274 | 246 => 'white', |
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| 275 | 247 => 'white', |
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| 276 | 248 => 'white', |
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| 277 | 249 => 'white', |
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| 278 | 250 => 'white', |
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| 279 | 251 => 'white', |
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| 280 | 252 => 'white', |
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| 281 | 253 => 'white', |
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| 282 | 254 => 'white', |
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| 283 | 255 => 'white', |
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| 284 | ]; |
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| 285 | |||
| 286 | public static function getDefaultColoursNames() : array |
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| 290 | |||
| 291 | /** |
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| 292 | * Simple function to transform a 8-bit (256 colours) colour code |
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| 293 | * to one of the default 8 colors available in the terminal |
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| 294 | */ |
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| 295 | public static function map256To8(int $colourCode) : string |
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| 302 | |||
| 303 | /** |
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| 304 | * Check if $colour exists |
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| 305 | * If it's a 256-colours code and $terminal doesn't support it, returns a fallback value |
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| 306 | */ |
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| 307 | public static function validateColour(Terminal $terminal, $colour, string $fallback = null) |
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| 324 | } |
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| 325 |
Let’s assume you have a class which uses late-static binding:
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClassto useselfinstead: