What is the significance of using array_replace in the PHP code provided?

The significance of using array_replace in the PHP code provided is to replace the values of specific keys in an array with the values from another array. This function allows for updating or merging arrays without modifying the original arrays.

// Original arrays
$array1 = array("a" => "apple", "b" => "banana", "c" => "cherry");
$array2 = array("b" => "blueberry", "c" => "cranberry");

// Using array_replace to replace values in $array1 with values from $array2
$result = array_replace($array1, $array2);

// Output the updated array
print_r($result);