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<?php |
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namespace GeekLab\GLPDO2; |
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// Make EA inspection stop complaining. |
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use \PDO; |
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use \Exception; |
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class GLPDO2 |
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{ |
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/** @var PDO $PDO */ |
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private $PDO; |
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public function __construct(PDO $pdo) |
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{ |
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$this->PDO = $pdo; |
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} |
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/** |
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* Begin transaction. |
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* |
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* @return bool |
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*/ |
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public function beginTransaction(): bool |
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{ |
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return $this->PDO->beginTransaction(); |
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} |
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/** |
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* Is the operation in the middle of the transaction? |
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* |
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* @return bool |
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*/ |
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public function inTransaction(): bool |
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{ |
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return $this->PDO->inTransaction(); |
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} |
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/** |
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* Commit transaction. |
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* |
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* @return bool |
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*/ |
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public function commit(): bool |
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{ |
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return $this->PDO->commit(); |
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} |
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/** |
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* Rollback transaction. |
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* |
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* @return bool |
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*/ |
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public function rollback(): bool |
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{ |
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return $this->PDO->rollBack(); |
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} |
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/** |
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* Perform UPDATE or DELETE query and return the number of affected rows. |
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* |
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* @param Statement $Statement |
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* |
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* @return int |
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* @throws Exception |
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*/ |
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private function queryAffectedRows(Statement $Statement): int |
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{ |
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// Execute statement |
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$sth = $Statement->execute($this->PDO); |
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// Return number of rows affected |
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return $sth->rowCount(); |
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} |
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/** |
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* Perform DELETE query. |
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* |
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* @param Statement $Statement |
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* |
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* @return int |
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* @throws Exception |
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*/ |
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public function queryDelete(Statement $Statement): int |
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{ |
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return $this->queryAffectedRows($Statement); |
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} |
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/** |
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* Perform UPDATE query |
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* |
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* @param Statement $Statement |
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* |
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* @return int |
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* @throws Exception |
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*/ |
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public function queryUpdate(Statement $Statement): int |
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{ |
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return $this->queryAffectedRows($Statement); |
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} |
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/** |
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* Perform INSERT query |
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* |
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* @param Statement $Statement |
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* |
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* @return bool|string |
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* @throws Exception |
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*/ |
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public function queryInsert(Statement $Statement) |
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{ |
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// Execute the statement |
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$sth = $Statement->execute($this->PDO); |
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if (!$sth->rowCount()) { |
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// Insert failed |
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return false; |
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} |
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// Return the ID |
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return $this->PDO->lastInsertId(); |
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} |
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/** |
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* Return multiple rows result as an array |
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* |
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* @param Statement $Statement |
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* |
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* @return array|false |
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* @throws Exception |
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*/ |
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public function selectRows(Statement $Statement) |
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{ |
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// Execute the statement |
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$sth = $Statement->execute($this->PDO); |
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return $sth->fetchAll(PDO::FETCH_ASSOC); |
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} |
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/** |
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* Execute statement and returns first row of results as an associative array. |
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* |
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* @param Statement $Statement |
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* |
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* @return mixed |
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* @throws Exception |
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*/ |
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public function selectRow(Statement $Statement) |
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{ |
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// Execute the statement |
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$sth = $Statement->execute($this->PDO); |
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// Return the first row fetched |
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return $sth->fetch(PDO::FETCH_ASSOC); |
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} |
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/** |
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* Executes statement and return a specific column from the first row of results. |
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* |
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* @param Statement $Statement |
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* @param string $column |
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* @param mixed $default |
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* |
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* @return string|null |
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* @throws Exception |
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*/ |
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public function selectValue( |
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Statement $Statement, |
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string $column, |
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$default = null |
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): ?string { |
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$row = $this->selectRow($Statement); |
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$row = array_change_key_case($row); |
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$column = strtolower($column); |
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return $row[$column] ?? $default; |
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} |
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/** |
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* Executes statement and return a specific column from the first row of results. |
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* |
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* @param Statement $Statement |
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* @param string $column |
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* @param mixed $default |
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* |
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* @return string|null |
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* @throws Exception |
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*/ |
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public function selectValueCaseSensitive( |
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Statement $Statement, |
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string $column, |
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$default = null |
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): ?string { |
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$row = $this->selectRow($Statement); |
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return $row[$column] ?? $default; |
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} |
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} |
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