brunobmorais /
php-database
| Total Complexity | 47 |
| Total Lines | 263 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like DatalayerTrait 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 DatalayerTrait, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | trait DatalayerTrait |
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| 20 | {
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| 21 | /** @var PDO */ |
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| 22 | protected $instance; |
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| 23 | protected $params; |
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| 24 | protected $prepare = null; |
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| 25 | protected $database = CONFIG_DATA_LAYER["dbname"]; |
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| 26 | protected $classModel; |
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| 27 | protected $tableName; |
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| 28 | protected $resultArray = array(); |
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| 29 | |||
| 30 | private $logSQL; |
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| 31 | |||
| 32 | /** |
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| 33 | * @return PDO|null |
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| 34 | */ |
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| 35 | private function getInstance(): ?PDO |
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| 36 | {
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| 37 | if (strpos($_SERVER['SERVER_NAME'], "homologacao") && !strpos($this->database, "Homologacao") ) |
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| 38 | $this->database .= "Homologacao"; |
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| 39 | |||
| 40 | if (!isset($this->instance)) {
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| 41 | $this->instance = Connect::getInstance($this->database); |
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| 42 | return $this->instance; |
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| 43 | } else {
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| 44 | return $this->instance; |
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| 45 | } |
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| 46 | } |
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| 47 | |||
| 48 | /** |
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| 49 | * @param String $query |
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| 50 | * @param array|null $params |
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| 51 | * @return false|mixed|\PDOStatement|null |
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| 52 | */ |
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| 53 | protected function executeSQL(String $query, ?array $params = null) |
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| 54 | {
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| 55 | try {
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| 56 | $this->getInstance(); |
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| 57 | $this->prepare = $this->instance->prepare($query); |
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| 58 | $this->prepare->execute($params); |
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| 59 | $this->setLogSQL($query, $params); |
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| 60 | } catch (PDOException $e) {
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| 61 | Connect::setError($e,$query); |
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| 62 | return false; |
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| 63 | } |
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| 64 | |||
| 65 | return $this->prepare; |
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| 66 | } |
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| 67 | |||
| 68 | /** |
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| 69 | * @param $prepare |
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| 70 | * @return int |
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| 71 | */ |
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| 72 | protected function count($prepare=null): int |
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| 73 | {
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| 74 | try {
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| 75 | $prepare = empty($prepare) ? $this->prepare : $prepare; |
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| 76 | $qtd = $prepare->rowCount(); |
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| 77 | return $qtd; |
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| 78 | } catch (PDOException $e) {
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| 79 | Connect::setError($e); |
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| 80 | return false; |
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| 81 | } |
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| 82 | |||
| 83 | |||
| 84 | } |
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| 85 | |||
| 86 | /** |
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| 87 | * @param $prepare |
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| 88 | * @return array|false |
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| 89 | */ |
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| 90 | protected function fetchArrayAssoc($prepare=null): array |
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| 91 | {
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| 92 | try {
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| 93 | $prepare = empty($prepare) ? $this->prepare : $prepare; |
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| 94 | $dados = $prepare->fetchAll(PDO::FETCH_ASSOC); |
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| 95 | $this->resultArray = $dados; |
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| 96 | return $dados; |
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| 97 | } catch (PDOException $e) {
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| 98 | Connect::setError($e); |
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| 99 | return false; |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | /** |
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| 104 | * @param $prepare |
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| 105 | * @return array|false |
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| 106 | */ |
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| 107 | protected function fetchArrayObj($prepare=null): array |
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| 117 | } |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * @param $prepare |
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| 122 | * @param String|null $class |
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| 123 | * @return array|false |
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| 124 | */ |
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| 125 | protected function fetchArrayClass($prepare=null, String $class=null): array |
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| 126 | {
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| 127 | try {
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| 128 | $prepare = empty($prepare) ? $this->prepare : $prepare; |
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| 129 | $class = empty($class) ? $this->classModel : $class; |
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| 130 | $dados = $prepare->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, CONFIG_DATA_LAYER["directory_models"] . $class); |
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| 131 | $this->resultArray = $dados; |
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| 132 | return $dados; |
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| 133 | } catch (PDOException $e) {
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| 134 | Connect::setError($e); |
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| 135 | return false; |
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| 136 | } |
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| 137 | } |
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| 138 | |||
| 139 | /** |
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| 140 | * @param $prepare |
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| 141 | * @return array|false |
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| 142 | */ |
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| 143 | protected function fetchOneAssoc($prepare=null): array |
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| 144 | {
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| 145 | try {
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| 146 | $prepare = empty($prepare) ? $this->prepare : $prepare; |
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| 147 | $dados = $prepare->fetch(PDO::FETCH_ASSOC); |
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| 148 | return $dados; |
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| 149 | } catch (PDOException $e) {
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| 150 | Connect::setError($e); |
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| 151 | return false; |
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| 152 | } |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * @param $prepare |
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| 157 | * @return stdClass|false |
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| 158 | */ |
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| 159 | protected function fetchOneObj($prepare=null): stdClass |
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| 160 | {
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| 161 | try {
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| 162 | $prepare = empty($prepare) ? $this->prepare : $prepare; |
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| 163 | $dados = $prepare->fetch(PDO::FETCH_OBJ); |
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| 164 | return $dados; |
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| 165 | } catch (PDOException $e) {
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| 166 | Connect::setError($e); |
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| 167 | return false; |
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| 168 | } |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * @param $prepare |
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| 173 | * @param String|null $class |
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| 174 | * @return array|false |
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| 175 | */ |
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| 176 | protected function fetchOneClass($prepare=null, String $class=null): object |
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| 186 | } |
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| 187 | } |
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| 188 | |||
| 189 | /** |
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| 190 | * @return bool |
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| 191 | */ |
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| 192 | protected function beginTrasaction(): bool |
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| 201 | } |
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| 202 | |||
| 203 | } |
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| 204 | |||
| 205 | /** |
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| 206 | * @return bool |
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| 207 | */ |
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| 208 | protected function commitTransaction(): bool |
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| 209 | {
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| 210 | try {
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| 211 | $this->getInstance(); |
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| 212 | $this->instance->commit(); |
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| 213 | return true; |
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| 214 | } catch (PDOException $e) {
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| 215 | Connect::setError($e); |
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| 216 | return false; |
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| 217 | } |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * @return bool |
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| 222 | */ |
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| 223 | protected function rollBackTransaction(): bool |
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| 233 | } |
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| 234 | } |
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| 235 | |||
| 236 | /** |
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| 237 | * RETORNAR O ULTIMO ID INSERIDO |
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| 238 | */ |
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| 239 | private function lastId() |
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| 240 | {
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| 241 | $this->getInstance(); |
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| 242 | $ultimo = $this->instance->lastInsertId(); |
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| 243 | return $ultimo; |
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| 244 | |||
| 245 | } |
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| 246 | |||
| 247 | /** |
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| 248 | * @return array |
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| 249 | */ |
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| 250 | protected function printErrorInfo(): array |
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| 253 | } |
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| 254 | |||
| 255 | /** |
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| 256 | * @param $sql_string |
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| 257 | * @param array|null $params |
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| 258 | * @return void |
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| 259 | */ |
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| 260 | function setLogSQL($sql_string, array $params = null) {
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| 282 | } |
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| 283 | } |
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| 284 |
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.