In PHP, how do I merge arrays with SPL?

In PHP, you can merge arrays using the SPL ArrayObject. Below is an example of how to do this.

php, merge arrays, SPL, ArrayObject

This guide provides an example of how to merge two arrays using the ArrayObject class in PHP SPL.


        <?php
        $array1 = new ArrayObject(array('a' => 1, 'b' => 2));
        $array2 = new ArrayObject(array('b' => 3, 'c' => 4));
        
        // Merging the two arrays
        $array1->exchangeArray(array_merge($array1->getArrayCopy(), $array2->getArrayCopy()));
        
        // Displaying merged array
        print_r($array1);
        ?>