ierusalim /
php-random-gen
| Total Complexity | 42 |
| Total Lines | 332 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like RandomArray often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use RandomArray, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 30 | class RandomArray extends RandomStr |
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| 31 | { |
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| 32 | /** |
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| 33 | * Set this limit to avoid generation unexpected too large arrays |
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| 34 | * |
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| 35 | * @var integer |
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| 36 | */ |
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| 37 | public $lim_elements = 10000; |
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| 38 | |||
| 39 | /** |
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| 40 | * Model number for generation random Keys for Arrays |
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| 41 | * if 0 then array keys will be simple 1,2,3... numeric |
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| 42 | * if 1 then array keys will be numeric from min_arr_key to max_arr_key |
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| 43 | * if 2 then array keys will be string len from min_arr_key to max_arr_key |
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| 44 | * This value setting by function setKeysModel() |
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| 45 | * |
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| 46 | * @var integer |
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| 47 | */ |
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| 48 | protected $keys_model; |
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| 49 | |||
| 50 | /** |
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| 51 | * Model number for generation random Values for Arrays |
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| 52 | * if 0 then array values will be numeric from 0 to 65535 |
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| 53 | * if 1 then array values will be numeric from min_arr_val to max_arr_val |
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| 54 | * if 2 then array values will be string len from min_arr_val to max_arr_val |
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| 55 | * This value setting by function setValuesModel() |
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| 56 | * |
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| 57 | * @var integer |
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| 58 | */ |
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| 59 | protected $values_model; |
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| 60 | |||
| 61 | /** |
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| 62 | * Value for generation random Keys for Arrays |
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| 63 | * This is minimal number for random numbers generation, |
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| 64 | * or minimal length of string for random string array-keys generation |
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| 65 | * This value setting by function setValuesModel() |
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| 66 | * |
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| 67 | * @var integer |
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| 68 | */ |
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| 69 | protected $min_arr_key; |
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| 70 | |||
| 71 | /** |
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| 72 | * Value for generation random Keys for Arrays |
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| 73 | * This is maximal number for random numbers generation, |
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| 74 | * or maximal length of string for random string array-keys generation |
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| 75 | * This value setting by function setKeysModel() |
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| 76 | * |
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| 77 | * @var integer |
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| 78 | */ |
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| 79 | protected $max_arr_key; |
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| 80 | |||
| 81 | /** |
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| 82 | * Value for generation random Values for Arrays |
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| 83 | * This is minimal number for random numbers generation, |
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| 84 | * or minimal length of string for random string array-values generation |
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| 85 | * This value setting by function setValuesModel() |
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| 86 | * |
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| 87 | * @var integer |
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| 88 | */ |
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| 89 | protected $min_arr_val; |
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| 90 | |||
| 91 | /** |
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| 92 | * Value for generation random Values for Arrays |
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| 93 | * This is maximal number for random numbers generation, |
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| 94 | * or maximal length of string for random string array-values generation |
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| 95 | * |
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| 96 | * @var integer |
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| 97 | */ |
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| 98 | protected $max_arr_val; |
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| 99 | |||
| 100 | /** |
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| 101 | * Value generate function |
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| 102 | * calling if values_model == 3 |
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| 103 | * |
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| 104 | * @var callable |
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| 105 | */ |
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| 106 | public $fn_gen_value; |
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| 107 | |||
| 108 | /** |
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| 109 | * Key generate function |
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| 110 | * calling if keys_model == 3 |
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| 111 | * |
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| 112 | * @var callable |
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| 113 | */ |
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| 114 | public $fn_gen_key; |
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| 115 | |||
| 116 | /** |
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| 117 | * Init parameter - string of chars for generation array values |
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| 118 | * Prefer to leave blank and use function setValuesModel for set it. |
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| 119 | * |
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| 120 | * @param string|null $init_charset_for_val |
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| 121 | */ |
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| 122 | public function __construct($init_charset_for_val = null, $utf8mode = false) |
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| 123 | { |
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| 124 | parent::__construct($init_charset_for_val, $utf8mode); |
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| 125 | $this->setKeysModel(); |
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| 126 | if (\is_null($init_charset_for_val)) { |
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| 127 | $this->setValuesModel(1, 16, $this->char_sets[0]); |
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| 128 | } else { |
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| 129 | $this->setValuesModel(1, 16, $init_charset_for_val); |
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| 130 | } |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * Counting all values in array (recursive) |
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| 135 | * |
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| 136 | * @param array $arr |
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| 137 | * @param integer $cnt |
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| 138 | * |
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| 139 | * @return integer |
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| 140 | */ |
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| 141 | public function countArrayValuesRecursive(&$arr, $cnt = 0) |
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| 142 | { |
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| 143 | \array_walk_recursive($arr, function ($v, $k) use (&$cnt) { |
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| 144 | $cnt++; |
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| 145 | }); |
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| 146 | return $cnt; |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * Counting the maximum depth of nesting of arrays in an array (recursive) |
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| 151 | * |
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| 152 | * @param array $arr |
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| 153 | * @param integer $c_depth |
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| 154 | * |
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| 155 | * @return integer |
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| 156 | */ |
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| 157 | public function countArrayMaxDepth($arr, $c_depth = 0) |
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| 158 | { |
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| 159 | if (!is_array($arr)) { |
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| 160 | return false; |
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| 161 | } |
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| 162 | $m_depth = $c_depth; |
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| 163 | \array_walk($arr, function ($v, $k) use ($c_depth, &$m_depth) { |
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| 164 | if (is_array($v)) { |
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| 165 | $new_depth = $this->countArrayMaxDepth($v, $c_depth+1); |
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| 166 | if ($new_depth > $m_depth) { |
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| 167 | $m_depth = $new_depth; |
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| 168 | } |
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| 169 | } |
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| 170 | }); |
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| 171 | return $m_depth; |
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| 172 | } |
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| 173 | |||
| 174 | /** |
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| 175 | * Set model for generation keys for random arrays |
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| 176 | * |
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| 177 | * @param integer $min |
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| 178 | * @param integer $max |
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| 179 | * @param string|null $chars |
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| 180 | */ |
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| 181 | public function setKeysModel( |
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| 182 | $min = 1, |
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| 183 | $max = null, |
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| 184 | $chars = null, |
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| 185 | $utf8mode = false |
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| 186 | ) { |
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| 187 | if (empty($chars)) { |
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| 188 | //Numeric keys model |
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| 189 | $this->keys_model = 1; |
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| 190 | if ($min == 1 && (\is_null($max))) { |
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| 191 | //Non-changes key model (numeric 0,1,2...) |
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| 192 | $this->keys_model = 0; |
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| 193 | } |
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| 194 | if (\is_null($max)) { |
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| 195 | $max = 65535; |
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| 196 | } |
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| 197 | } else { |
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| 198 | //Random-string keys model |
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| 199 | $this->keys_model = 2; |
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| 200 | //set $chars as charset number 1 |
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| 201 | $this->char_sets[1] = $chars; |
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| 202 | if ($utf8mode) { |
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| 203 | $this->explodeUtf8(); |
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| 204 | } |
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| 205 | } |
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| 206 | $this->min_arr_key = $min; |
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| 207 | $this->max_arr_key = is_null($max) ? 16 : $max; |
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| 208 | } |
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| 209 | |||
| 210 | /** |
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| 211 | * Set model for generation values for random arrays |
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| 212 | * |
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| 213 | * @param integer $min |
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| 214 | * @param integer $max |
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| 215 | * @param string|null $chars |
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| 216 | */ |
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| 217 | public function setValuesModel( |
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| 218 | $min = 0, |
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| 219 | $max = 65535, |
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| 220 | $chars = null, |
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| 221 | $utf8mode = false |
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| 222 | ) { |
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| 223 | if (empty($chars)) { |
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| 224 | //Numeric values model |
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| 225 | $this->values_model = 1; |
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| 226 | if (!$min && $max==65535) { |
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| 227 | //Non-changes values model (random number from 0 to 65535) |
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| 228 | $this->values_model=0; |
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| 229 | } |
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| 230 | } else { |
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| 231 | //Random-string values model |
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| 232 | $this->values_model = 2; |
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| 233 | //set $chars as charset number 2 |
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| 234 | $this->char_sets[2] = $chars; |
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| 235 | if ($utf8mode) { |
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| 236 | $this->explodeUtf8(); |
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| 237 | } |
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| 238 | } |
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| 239 | $this->min_arr_val = $min; |
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| 240 | $this->max_arr_val = $max; |
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| 241 | } |
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| 242 | |||
| 243 | /** |
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| 244 | * Set function for generate values for random array |
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| 245 | * |
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| 246 | * @param callable $gen_fn |
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| 247 | */ |
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| 248 | public function setValuesModelFn(callable $gen_fn) |
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| 249 | { |
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| 250 | $this->values_model = 3; |
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| 251 | $this->fn_gen_value = $gen_fn; |
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| 252 | } |
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| 253 | |||
| 254 | /** |
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| 255 | * Set function for generate keys for random array |
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| 256 | * |
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| 257 | * @param callable $gen_fn |
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| 258 | */ |
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| 259 | public function setKeysModelFn(callable $gen_fn) |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * Random Array generate |
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| 267 | * |
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| 268 | * Parameters $min_elem_cnt and $max_elem_cnt define the minimum and |
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| 269 | * maximum number of elements of generated arrays |
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| 270 | * |
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| 271 | * Parameter $theshold define chance of generating scalar or nested array |
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| 272 | * If 0 is specified, scalar will always be generated, never nested array |
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| 273 | * if 65535 specified, nested array will be generated until reach $lim_depth |
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| 274 | * if 32768 specified the probability of generating array or scalar is 50/50 |
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| 275 | * Only scalar generate if the depth of array nesting reached $lim_depth |
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| 276 | * |
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| 277 | * No more than $lim_elements of elements will be generated total |
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| 278 | * |
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| 279 | * @param integer $min_elem_cnt Min.count of elements in array (and nested) |
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| 280 | * @param integer $max_elem_cnt Max.count of elements in array (and nested) |
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| 281 | * @param integer $threshold Chance array or string generation (0-65535) |
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| 282 | * @param integer $lim_depth Depth limit of nesting arrays |
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| 283 | * @param integer $lim_elements Limit number of generated elements |
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| 284 | * @param string $root Key of this array (may be needed for nested arrays) |
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| 285 | * |
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| 286 | * @return array |
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| 287 | */ |
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| 288 | public function genRandomArray( |
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| 362 | } |
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| 363 | } |
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| 364 |
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