How can PHP developers effectively collaborate and provide helpful responses in online forums to address array-related issues?

Issue: To merge two arrays in PHP, you can use the array_merge() function. Code snippet:

$array1 = [1, 2, 3];
$array2 = [4, 5, 6];
$mergedArray = array_merge($array1, $array2);
print_r($mergedArray);