What are the best practices for debugging PHP code to identify and resolve errors, especially in complex calculations?

When debugging complex calculations in PHP, it's important to break down the problem into smaller parts and use tools like var_dump() or print_r() to inspect variables and intermediate results. Additionally, using error reporting functions like error_reporting(E_ALL) and ini_set('display_errors', 1) can help identify any syntax or logic errors. Finally, utilizing a debugger tool like Xdebug can provide more advanced features for stepping through code and analyzing variables. 

<?php

// Enable error reporting
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Your complex calculation code here

?>

Keywords

Xdebug var_dump error_reporting stack trace debugging techniques

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