How can PHP developers effectively troubleshoot and debug array-related issues like undefined offset errors?

When facing undefined offset errors in PHP arrays, developers can effectively troubleshoot and debug these issues by checking if the offset exists before accessing it. This can be done using functions like isset() or array_key_exists() to prevent errors when trying to access non-existent array keys.

// Example code snippet to check for undefined offset error
$array = [1, 2, 3];

// Check if the offset exists before accessing it
if (isset($array[2])) {
    echo $array[2]; // Output: 3
} else {
    echo "Offset does not exist";
}