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Why can’t a declare a type array?

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Nov 12.2022

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[11-Nov-2022 19:20:33 America/Chicago] PHP Parse error: syntax error, unexpected ‘array’ (T_ARRAY), expecting variable (T_VARIABLE) in /home2/smiths/public_html/web/cart.php on line 4

“`
class Cart {

private array $cartItems;

“`

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@kiwisauthorNov 12.2022 — Needed a newer version of PHP
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