Costanti predefinite

Queste costanti sono definite da questa estensione e sono disponibili solo se l'estensione è stata compilata nel PHP o se è stata caricata dinamicamente a runtime.

It is possible to specify additional client flags for the mysql_connect() and mysql_pconnect() functions. The following constants are defined:

MySQL client constants

Constant	Description
MYSQL_CLIENT_COMPRESS	Use compression protocol
MYSQL_CLIENT_IGNORE_SPACE	Allow space after function names
MYSQL_CLIENT_INTERACTIVE	Allow interactive_timeout seconds (instead of wait_timeout) of inactivity before closing the connection.
MYSQL_CLIENT_SSL	Use SSL encryption. This flag is only available with version 4.x of the MySQL client library or newer. Version 3.23.x is bundled both with PHP 4 and Windows binaries of PHP 5.

The function mysql_fetch_array() uses a constant for the different types of result arrays. The following constants are defined:

MySQL fetch constants

Constant	Description
MYSQL_ASSOC	Columns are returned into the array having the fieldname as the array index.
MYSQL_BOTH	Columns are returned into the array having both a numerical index and the fieldname as the array index.
MYSQL_NUM	Columns are returned into the array having a numerical index to the fields. This index starts with 0, the first field in the result.