Omeka_Filter_ForeignKey

class Omeka_Filter_ForeignKey

Package: Filter

Converts input into values suitable for use as Omeka ‘id’ key values.

filter(mixed $value)

Convert any value into an unsigned integer that would be valid if stored as a foreign key in a database table.

This will return null for any value that falls outside the rangeof an unsigned integer (string, negative numbers, etc.)

Parameters:

• $value (mixed) – Input value.

Returns:

integer