BEdita\WebTools\SingletonTrait

Complexity

Total Complexity

4

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
trait SingletonTrait
{
    /**
     * Singleton instance.
     *
     * @var static|null
     */
    private static $uniqueInstance = null;

    /**
     * Singleton constructor.
     *
     * The constructor is declared private in order to
     * prevent new instances from being created.
     *
     * @codeCoverageIgnore
     */
    final protected function __construct()
    {
    }

    /**
     * Singleton clone method.
     *
     * This method is declared private in order to
     * prevent existing instances from being cloned.
     *
     * @return void
     * @codeCoverageIgnore
     */
    private function __clone()
    {
    }

    /**
     * Singleton getter.
     *
     * Use this method in order to get the singleton instance
     *
     * @return static|null
     */
    final public static function getInstance(): ?static

A parse error occurred: Syntax error, unexpected T_STATIC on line 63 at column 49

    {
        if (self::$uniqueInstance === null) {
            self::$uniqueInstance = new static();
        }

        return self::$uniqueInstance;
    }