In PHP, how do I deep copy strings with examples?

In PHP, strings are not mutable, which means you don’t need to deeply copy them like you would with objects or arrays. Assigning a string to another variable creates a copy automatically. However, if you want to demonstrate a deep copy concept, especially when dealing with arrays that contain strings, you could use the `serialize` and `unserialize` functions to create an independent copy.

Below is a PHP example demonstrating deep copying of an array containing strings:

<?php // Original array containing strings $originalArray = array("Hello", "World", "PHP"); // Performing a deep copy using serialize and unserialize $deepCopyArray = unserialize(serialize($originalArray)); // Modifying the original array $originalArray[0] = "Hi"; // Outputting the arrays to show they are separate echo "Original Array: "; print_r($originalArray); echo "Deep Copy Array: "; print_r($deepCopyArray); ?>

PHP deep copy string handling serialize unserialize

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