In PHP, how do I reduce arrays with SPL?

This guide provides an overview of how to reduce arrays using the Standard PHP Library (SPL). The SPL offers efficient ways to manipulate arrays and provides built-in classes designed to interact with various data structures, making it easier to handle different array reduction tasks.
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<?php // Example of reducing an array using SPL $array = [1, 2, 3, 4, 5]; // Using SPL's ArrayObject to create an object from the array $arrayObject = new ArrayObject($array); // Reduce the array with a callback function $reducedValue = $arrayObject->reduce(function ($carry, $item) { return $carry + $item; // Sum the items }, 0); echo "Reduced Value: " . $reducedValue; // Output: Reduced Value: 15 ?>

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