How can debugging techniques like var_dump be used to troubleshoot issues related to arrays in PHP?

When troubleshooting array-related issues in PHP, var_dump can be used to display the contents of an array and help identify any potential problems such as incorrect data types or missing elements. By using var_dump, developers can easily see the structure of the array and pinpoint where the issue lies. This can be particularly useful when debugging complex nested arrays or when trying to identify the source of unexpected behavior.

// Example code snippet demonstrating the use of var_dump to troubleshoot array issues
$array = [1, 2, 3, 'four', 5]; // Example array with mixed data types

var_dump($array); // Display the contents of the array for debugging purposes