The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Changelog |
|---|---|---|---|
| xmysqlnd.collect_memory_statistics | 0 | PHP_INI_SYSTEM | |
| xmysqlnd.collect_statistics | 1 | PHP_INI_ALL | |
| xmysqlnd.debug | PHP_INI_SYSTEM | ||
| xmysqlnd.mempool_default_size | 16000 | PHP_INI_ALL | |
| xmysqlnd.net_read_timeout | 31536000 | PHP_INI_SYSTEM | |
| xmysqlnd.trace_alloc | PHP_INI_SYSTEM |
Here's a short explanation of the configuration directives.