Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

InterBase configuration options
NameDefaultChangeableChangelog
ibase.allow_persistent"1"INI_SYSTEM 
ibase.max_persistent"-1"INI_SYSTEM 
ibase.max_links"-1"INI_SYSTEM 
ibase.default_dbNULLINI_SYSTEM 
ibase.default_userNULLINI_ALL 
ibase.default_passwordNULLINI_ALL 
ibase.default_charsetNULLINI_ALL 
ibase.timestampformat"%Y-%m-%d %H:%M:%S"INI_ALL 
ibase.dateformat"%Y-%m-%d"INI_ALL 
ibase.timeformat"%H:%M:%S"INI_ALL 
For further details and definitions of the INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

ibase.allow_persistent bool
Whether to allow persistent connections to Firebird/InterBase.
ibase.max_persistent int
The maximum number of persistent Firebird/InterBase connections per process. New connections created with ibase_pconnect() will be non-persistent if this number would be exceeded.
The maximum number of Firebird/InterBase connections per process, including persistent connections.
ibase.default_db string
The default database to connect to when ibase_[p]connect() is called without specifying a database name. If this value is set and SQL safe mode is enabled, no other connections than to this database will be allowed.
ibase.default_user string
The user name to use when connecting to a database if no user name is specified.
ibase.default_password string
The password to use when connecting to a database if no password is specified.
ibase.default_charset string
The character set to use when connecting to a database if no character set is specified.
ibase.timestampformat string
ibase.dateformat string
ibase.timeformat string
These directives are used to set the date and time formats that are used when returning dates and times from a result set, or when binding arguments to date and time parameters.