In PHP, how do I deduplicate strings with SPL?

This example demonstrates how to remove duplicate strings from an array in PHP using SPL and standard array functions.
PHP, SPL, deduplicate, strings, array, PHP functions
<?php $strings = ["apple", "banana", "apple", "orange", "banana"]; $uniqueStrings = array_unique($strings); print_r($uniqueStrings); ?>

PHP SPL deduplicate strings array PHP functions

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