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<?php |
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declare(strict_types=1); |
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/** |
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* Database Access Layer. |
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* @author Doug Wright |
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*/ |
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namespace DVDoug\DB; |
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use PDO; |
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/** |
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* PDO-backed database statement. |
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* @author Doug Wright |
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*/ |
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class PDOStatement extends \PDOStatement implements StatementInterface |
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{ |
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/** |
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* Used query string. |
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*/ |
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public function getQueryString(): string |
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{ |
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return $this->queryString; |
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} |
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/** |
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* Fetches the next row(s) from the result set as an associative array. |
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* @param bool $aAllRows true to fetch all remaining rows, false for next row only |
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* @param bool $aGroupByFirstCol whether to group the results by the first column |
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* @return array|bool |
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*/ |
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public function fetchAssoc($aAllRows = true, $aGroupByFirstCol = false) |
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{ |
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if ($aAllRows) { |
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if ($aGroupByFirstCol) { |
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return $this->fetchAll(PDO::FETCH_ASSOC | PDO::FETCH_GROUP); |
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} else { |
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return $this->fetchAll(PDO::FETCH_ASSOC); |
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} |
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} else { |
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return $this->fetch(PDO::FETCH_ASSOC); |
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} |
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} |
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/** |
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* Fetches the next row(s) from a 2-column result set as a key=>value pairs. |
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* @param bool $aAllRows true to fetch all remaining rows, false for next row only |
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* @param bool $aGroupByFirstCol whether to group the results by the first column |
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* @return array|bool |
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*/ |
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public function fetchKeyPair($aAllRows = true, $aGroupByFirstCol = false) |
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{ |
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if ($aAllRows) { |
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if ($aGroupByFirstCol) { |
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return $this->fetchAll(PDO::FETCH_KEY_PAIR | PDO::FETCH_GROUP); |
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} else { |
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return $this->fetchAll(PDO::FETCH_KEY_PAIR); |
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} |
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} else { |
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return $this->fetch(PDO::FETCH_KEY_PAIR); |
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} |
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} |
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/** |
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* Fetches the next row(s) from the result set as an object. |
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* @param string $aClassName object will be created as instance of this type |
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* @param array $aConstructorArguments arguments to pass to constructor |
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* @param bool $aRunConstructorFirst whether the constructor should be run before/after the object's members are set |
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* @param bool $aAllRows true to fetch all remaining rows, false for next row only |
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* @param bool $aGroupByFirstCol whether to group the results by the first column |
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* @return array|bool |
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*/ |
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public function fetchObj($aClassName = 'stdClass', $aConstructorArguments = [], $aRunConstructorFirst = true, $aAllRows = true, $aGroupByFirstCol = false) |
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{ |
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if ($aRunConstructorFirst) { |
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$this->setFetchMode(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, $aClassName, $aConstructorArguments); |
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} else { |
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$this->setFetchMode(PDO::FETCH_CLASS, $aClassName, $aConstructorArguments); |
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} |
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if ($aAllRows) { |
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if ($aGroupByFirstCol) { |
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return $this->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_GROUP); |
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} else { |
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return $this->fetchAll(PDO::FETCH_CLASS); |
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} |
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} else { |
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return $this->fetch(PDO::FETCH_CLASS); |
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} |
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} |
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/** |
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* Fetches the next row into the specified object. |
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* @param string $aObject object to update |
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* @return array|bool |
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*/ |
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public function fetchIntoObj($aObject) |
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{ |
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$this->setFetchMode(PDO::FETCH_INTO, $aObject); |
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return $this->fetch(PDO::FETCH_INTO); |
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} |
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/** |
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* Binds a value to a variable. |
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* @param string $aParam parameter name of the form :name |
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* @param mixed $aVariable mixed The variable to bind to the parameter |
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* @param int $aDataType data type for the parameter using the DatabaseInterface::PARAM_* constants |
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*/ |
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public function bindParamToVariable($aParam, &$aVariable, $aDataType = DatabaseInterface::PARAM_IS_STR): bool |
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{ |
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return $this->bindParam($aParam, $aVariable, $aDataType); |
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} |
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/** |
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* Binds a column to a variable. |
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* @param string $aColumn column name |
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* @param mixed $aVariable mixed The variable to bind to the result |
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* @param int $aDataType data type for the column using the DatabaseInterface::PARAM_* constants |
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*/ |
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public function bindResultColumn($aColumn, &$aVariable, $aDataType = DatabaseInterface::PARAM_IS_STR): bool |
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{ |
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return $this->bindColumn($aColumn, $aVariable, $aDataType); |
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} |
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/** |
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* Binds a value to a parameter. |
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* @param string $aParam parameter name of the form :name |
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* @param mixed $aValue mixed The value to bind to the parameter |
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* @param int $aDataType data type for the parameter using the DatabaseInterface::PARAM_* constants |
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*/ |
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public function bindParamToValue($aParam, $aValue, $aDataType = DatabaseInterface::PARAM_IS_STR): bool |
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{ |
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return $this->bindValue($aParam, $aValue, $aDataType); |
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} |
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} |
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dvdoug /
DB
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