The behaviour of these functions is affected by settings in php.ini.
Name | Default | Changeable | Changelog |
---|---|---|---|
mysql.allow_local_infile | "1" | PHP_INI_SYSTEM | |
mysql.allow_persistent | "1" | PHP_INI_SYSTEM | |
mysql.max_persistent | "-1" | PHP_INI_SYSTEM | |
mysql.max_links | "-1" | PHP_INI_SYSTEM | |
mysql.trace_mode | "0" | PHP_INI_ALL | Available since PHP 4.3.0. |
mysql.default_port | NULL | PHP_INI_ALL | |
mysql.default_socket | NULL | PHP_INI_ALL | Available since PHP 4.0.1. |
mysql.default_host | NULL | PHP_INI_ALL | |
mysql.default_user | NULL | PHP_INI_ALL | |
mysql.default_password | NULL | PHP_INI_ALL | |
mysql.connect_timeout | "60" | PHP_INI_ALL | PHP_INI_SYSTEM in PHP <= 4.3.2. Available since PHP 4.3.0. |
Here's a short explanation of the configuration directives.
mysql.allow_local_infile
integer
Allow accessing, from PHP's perspective, local files with LOAD DATA statements
mysql.allow_persistent
boolean
Whether to allow persistent connections to MySQL.
mysql.max_persistent
integer
The maximum number of persistent MySQL connections per process.
mysql.max_links
integer
The maximum number of MySQL connections per process, including persistent connections.
mysql.trace_mode
boolean
Trace mode. When mysql.trace_mode is enabled, warnings for table/index scans, non free result sets, and SQL-Errors will be displayed. (Introduced in PHP 4.3.0)
mysql.default_port
string
The default TCP port number to use when connecting to
the database server if no other port is specified. If
no default is specified, the port will be obtained
from the MYSQL_TCP_PORT environment
variable, the mysql-tcp entry in
/etc/services or the compile-time
MYSQL_PORT
constant, in that order. Win32
will only use the MYSQL_PORT
constant.
mysql.default_socket
string
The default socket name to use when connecting to a local database server if no other socket name is specified.
mysql.default_host
string
The default server host to use when connecting to the database server if no other host is specified. Doesn't apply in SQL safe mode.
mysql.default_user
string
The default user name to use when connecting to the database server if no other name is specified. Doesn't apply in SQL safe mode.
mysql.default_password
string
The default password to use when connecting to the database server if no other password is specified. Doesn't apply in SQL safe mode.
mysql.connect_timeout
integer
Connect timeout in seconds. On Linux this timeout is also used for waiting for the first answer from the server.