Which of the following will NOT display the value of $debug_variable?
Each correct answer represents a complete solution. Choose all that apply.

A.
echo Zend_Debug::dump($debug_variable, ‘debug_variable’, false);

B.
Zend_Debug::dump($debug_variable, ‘debug_variable’, true);

C.
ob_start();
Zend_Debug::dump($debug_variable, ‘debug_variable’, false);
ob_end_flush();

D.
print(Zend_Debug::dump($debug_variable, ‘debug_variable’, true));

Explanation: