We can use the Zend_Dubug component for dumping back to the web browser screen the values of expressions in our code.
$a = 23;
$b = 12;
$sum = $a + $b;
Zend_Debug::dump("a=".$a);
Zend_Debug::dump("b=".$b);
Zend_Debug::dump("sum=".$sum);
The following video clip shows a code sample for using the Zend_Debug component.
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