Should the formatting of the array be adjusted after deleting elements to prevent errors in PHP?

When elements are deleted from an array in PHP, the array keys may not be reindexed automatically. This can lead to errors when trying to access elements by index. To prevent these errors, you should reindex the array after deleting elements by using the array_values() function. This function will reindex the array numerically starting from 0.

// Original array
$array = [1, 2, 3, 4, 5];

// Delete elements
unset($array[1]);
unset($array[3]);

// Reindex the array
$array = array_values($array);

// Output the reindexed array
print_r($array);