In PHP, how do I slice strings in a memory-efficient way?

In PHP, you can slice strings efficiently using the `mb_substr` function, which is particularly useful for handling multibyte character encodings. This approach ensures that you only extract the part of the string you need without unnecessary overhead, making it memory efficient.

Keywords: PHP, slicing strings, mb_substr, memory-efficient, performance
Description: Learn how to slice strings in PHP using the `mb_substr` function for efficient memory management, especially with multibyte characters.

Here is an example of how to slice a string in PHP:

<?php // Original string $string = "Hello, world! This is a string slicing example."; // Slicing the string using mb_substr $sliced = mb_substr($string, 7, 5); // Output: "world" echo $sliced; ?>

Keywords: PHP slicing strings mb_substr memory-efficient performance