Attach the Zend\Form\View\HelperLoader with array_unshift
Attach the Zend\Form\View\HelperLoader with array_unshift

This allows modules to override the short helper names with their own helper
classes if they'd like. Using [] made this impossible.

MadCat34/zend-mvc,svycka/zend-mvc,turrsis/zend-mvc,MadCat34/zend-mvc,svycka/zend-mvc,turrsis/zend-mvc,ezimuel/zend-mvc,ezimuel/zend-mvc