[TYPO3] The use of itemsProcFunc

[Tomas Mrozek]

1. Create PHP file for a class + function (class.tx_wmpfvideos_db.php).

2. Create class (tx_wmpfvideos_db) + function (crossreference) in that file.

3. Include the file in ext_tables.php: 
include_once(t3lib_extMgm::extPath($_EXTKEY).'class.tx_wmpfvideos_db.php');

4. Set 'itemsProcFunc' => 'tx_wmpfvideos_db->crossreference'

Tomas Mrozek