odbc_free_result
(PHP 4, PHP 5, PHP 7, PHP 8)
odbc_free_result — Free objects associated with a result
说明
Free objects associated with a result.
odbc_free_result() only needs to be called if you are worried about using too much memory while your script is running. All result memory will automatically be freed when the script is finished.
参数
statement
-
ODBC 结果对象.
返回值
总是返回 true
。
更新日志
版本 | 说明 |
---|---|
8.4.0 |
statement 现在需要 Odbc\Result
实例;之前需要 resource。
|
注释
注意:
If auto-commit is disabled (see odbc_autocommit()) and you call odbc_free_result() before committing, all pending transactions are rolled back.
+添加备注
用户贡献的备注 1 note
sergio.deleon at techoblige ¶
6 years ago
MDBTools driver needs you to properly free up a result_id before reusing a variable.
An odbc_fetch_array() over a overwritten variable with a new result will crash the script with a Segmentation fault if the previous resource wasn't free'd up.
PHP 5.6
备份地址:http://www.lvesu.com/blog/php/function.odbc-free-result.php