警告 |
這個函數是實驗性質的。這個函數的行為、名稱、和關於此函數的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此延伸需自行承擔風險。 |
Sets a database connection attribute. The generic PDO connection attributes include:
PDO_ATTR_CASE: Force column names to a specific case.
PDO_CASE_LOWER: Force column names to lower case.
PDO_CASE_NATURAL: Leave column names as returned by the database driver.
PDO_CASE_UPPER: Force column names to upper case.