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<?php |
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|
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namespace BubbleMenu\Publish; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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class Singleton { |
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private static $instance; |
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private array $value = []; |
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|
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private function __construct() {} |
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|
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public static function getInstance() { |
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if (null === static::$instance) { |
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static::$instance = new static(); |
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} |
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|
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return static::$instance; |
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} |
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|
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public function setValue($key, $value) { |
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$this->value[$key] = $value; |
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} |
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|
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public function getValue(): array { |
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return $this->value; |
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} |
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|
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public function hasKey( $key ) : bool { |
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return array_key_exists( $key, $this->value ); |
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} |
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|
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public function getValueByKey($key) { |
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if($this->hasKey($key)) { |
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return $this->value[$key]; |
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} |
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|
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// Return null or throw an exception if the key does not exist |
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return null; |
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} |
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} |
