I was writing a Resource where I was always missing the first option inside My_Application_Resource_Foo::init();

Some Code:

$options = array( array('someData'), array('someMoreData'), );

$resource = new My_Application_Resource_Foo($options);

$resource->init();

The problem is when $options is an array with numeric indizes the 0 always gets dropped because of this line:

if ('bootstrap' == $key) { unset($options[$key]); }

in Zend_Application_Resource_ResourceAbstract::setOptions()

because ('bootstrap' == 0) == true

using === instead of == fixed the problem for me:

if ('bootstrap' === $key) { unset($options[$key]); }