Gemorroj/Image_Barcode2 — comment on commit a6280ed995dde2c10ef1f3eebc413c806aa52eda
File: Image/Barcode2/Common.php line 32
By CloCkWeRX:

PEAR coding standards actually allow dropping the _ prefix on protected / private variables in PHP5, so long as you specific the public/private/protected keyword appropriately.