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<?php |
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namespace SimplePHP\Model; |
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use PDOException; |
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/** |
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* Trait CRUD to SimplePHP |
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* @package NicollasSilva\SimplePHP |
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*/ |
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trait CRUD { |
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/** |
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* @param int $primary |
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* @return bool |
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*/ |
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public function delete(int $primary): ?bool |
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{ |
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try { |
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$sql = $this->conn->prepare("DELETE FROM {$this->table} WHERE {$this->primary} = :primary"); |
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$sql->bindParam(':primary', $primary); |
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return $sql->execute(); |
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} catch (PDOException $exception) { |
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return null; |
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} |
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} |
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/** |
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* @param string $params |
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* @param array $values |
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* @param int $primary |
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* @return PDOException|bool |
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*/ |
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public function update(String $params, Array $values, Int $primary) |
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{ |
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try { |
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$params = explode(',', $params); |
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$data = []; |
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$countParams = count($params); |
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for ($i = 0; $i < $countParams; $i++) { |
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$data[$i] = ":" . $params[$i] . $i . ", "; |
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} |
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$result = ''; |
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$final = array_map(null, $params, $data); |
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foreach ($final as $key => $vals) { |
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foreach ($vals as $chave => $val) { |
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$result .= str_replace(':', ' = :', $val); |
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} |
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} |
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$result = rtrim($result, ', '); |
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$sql = $this->conn->prepare("UPDATE {$this->table} SET {$result} WHERE {$this->primary} = '{$primary}'"); |
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for ($i = 0; $i < $countParams; $i++) { |
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$data[$i] = ":" . $params[$i] . $i; |
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} |
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$countData = count($data); |
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for ($i = 0; $i < $countData; $i++) { |
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$sql->bindParam($data[$i], $values[$i]); |
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} |
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return $sql->execute(); |
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} catch(PDOException $exception) { |
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echo $exception->getMessage(); |
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} |
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} |
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/** |
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* @param string $params |
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* @param array $values |
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* @return PDOException|bool |
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*/ |
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public function insert(String $params, Array $values) |
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{ |
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try { |
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$parameters = "(".$params.")"; |
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$params = explode(',', $params); |
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$data = []; |
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for($i = 0; $i < count($params); $i++) { |
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$data[$i] = ":". $params[$i] . $i; |
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} |
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$valueBind = "(".implode(', ', $data).")"; |
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$sql = $this->conn->prepare("INSERT INTO {$this->table} $parameters VALUES $valueBind"); |
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for($i = 0; $i < count($params); $i++) { |
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$sql->bindParam($data[$i], $values[$i]); |
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} |
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return $sql->execute(); |
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} catch(PDOException $exception) { |
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echo $exception->getCode(); |
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} |
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} |
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} |
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If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: