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ptb_listUnique

Finds all unique values in given field.

Syntax

$var = ptb_listUnique($database, $fieldname);

Syntax description

$database
variable containing connected database
$fieldname
name of the field, for which unique values should be found

Return

This function returns one-dimentional array (this is going to change in the next pTB version, though!) or null if database is empty.

Sample(s)

$authors = ptb_listUnique($myDatabase, 'author');

If you need to use this function, it may be a sign you should think about changing structure of your database :-)