How can the use of Zend_Debug or Firebug help in identifying and resolving issues with PHP code?

Using Zend_Debug or Firebug can help in identifying and resolving issues with PHP code by providing detailed information about variables, errors, and the flow of the code during execution. These tools allow developers to inspect variables, debug functions, and trace the execution path, making it easier to pinpoint where issues are occurring and how to fix them. 

// Example code snippet using Zend_Debug to debug a variable
$variable = 'Hello, world!';
Zend_Debug::dump($variable);

Keywords

Zend_Debug Firebug debugging PHP code issue identification

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