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Filename : memo.php

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<?php

namespace Elementor\Modules\AtomicWidgets\Utils;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

class Memo {
	private array $cache = [];

	public function memoize( string $key, callable $callback ) {
		return function() use ( $key, $callback ) {
			if ( array_key_exists( $key, $this->cache ) ) {
				return $this->cache[ $key ];
			}

			$this->cache[ $key ] = call_user_func( $callback );
			return $this->cache[ $key ];
		};
	}
}