class.ilMailDiffAddressList.php

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<?php

declare(strict_types=1);

class ilMailDiffAddressList implements ilMailAddressList
{
    protected ilMailAddressList $left;
    protected ilMailAddressList $right;

    public function __construct(ilMailAddressList $left, ilMailAddressList $right)
    {
        $this->left = $left;
        $this->right = $right;
    }

    public function value(): array
    {
        $leftAddresses = $this->left->value();
        $rightAddresses = $this->right->value();

        return array_diff($leftAddresses, $rightAddresses);
    }
}