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(PECL ingres >= 2.1.0)
ingres_charset — Returns the installation character set
$link
)ingres_charset() is called to determine the character set being used by the Ingres client, from II_CHARSETxx (where xx is the installation code).
Note:
You can override the value returned by using the function putenv() . Changing the value of II_CHARSETxx in a running Ingres installation can cause data corruption.
link
The connection link identifier
Returns a string with the value for II_CHARSETxx or returns NULL if the value could not be determined.
Example #1 ingres_charset() - Get the installation character set
<?php
$link = ingres_connect ( $database , $user , $password );
echo ingres_charset ( $link ) . "\n" ;
ingres_close ( $link );
?>