How can error_reporting be used to troubleshoot issues with constant variables in PHP?

When troubleshooting constant variables in PHP, setting the error_reporting level to include notices and warnings can help identify any issues with constant definitions or usage. By enabling error_reporting, you can easily spot any warnings or notices related to constant variables, such as redefining a constant or using an undefined constant. 

<?php
error_reporting(E_ALL);
define('CONSTANT_NAME', 'constant_value');

// Example usage of the constant
echo CONSTANT_NAME;
?>

Keywords

error_reporting constant variables troubleshooting PHP issues

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