What are the best practices for troubleshooting PHP code that runs differently in different files or environments?

Issue: When PHP code runs differently in different files or environments, it could be due to differences in configuration settings, dependencies, or file paths. To troubleshoot this issue, it is important to check for any differences in these aspects between the files or environments. Code snippet: 

// Check for any differences in configuration settings
echo ini_get('display_errors');

// Check for any differences in dependencies
require_once 'vendor/autoload.php';

// Check for any differences in file paths
$filePath = __DIR__ . '/file.php';
include $filePath;

Keywords

PHP debugging environment configuration error_reporting

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