Located in File: /lib/collection.inc.php
$ExtentUnits = NULL (line 3803)
$ID = 0 (line 3800)
Constructor ExtentUnits (line 3707)
If ID is passed as an argument, no data will be loaded until dbLoad is called.
If a table row is passed as an argument, the array will be parsed, and object variables will be assigned.
Method dbLoad (line 3741)
Method __toString (line 3790)