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Editing: Cache.php

<?php

namespace Spatie\Once;

use Countable;
use WeakMap;

class Cache implements Countable
{
    protected static self $cache;

public WeakMap $values;

protected bool $enabled = true;

public static function getInstance(): static
    {
        return static::$cache ??= new static;
    }

protected function __construct()
    {
        $this->values = new WeakMap();
    }

public function has(object $object, string $backtraceHash): bool
    {
        if (! isset($this->values[$object])) {

return false;
        }

return array_key_exists($backtraceHash, $this->values[$object]);
    }

public function get($object, string $backtraceHash): mixed
    {
        return $this->values[$object][$backtraceHash];
    }

public function set(object $object, string $backtraceHash, mixed $value): void
    {
        $cached = $this->values[$object] ?? [];

$cached[$backtraceHash] = $value;

$this->values[$object] = $cached;
    }

public function forget(object $object): void
    {
        unset($this->values[$object]);
    }

public function flush(): self
    {
        $this->values = new WeakMap();

return $this;
    }

public function enable(): self
    {
        $this->enabled = true;

return $this;
    }

public function disable(): self
    {
        $this->enabled = false;

return $this;
    }

public function isEnabled(): bool
    {
        return $this->enabled;
    }

public function count(): int
    {
        return count($this->values);
    }
}

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