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    <h3>Editing: ArrayLock.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Illuminate\Cache;

use Illuminate\Support\Carbon;

class ArrayLock extends Lock
{
    /**
     * The parent array cache store.
     *
     * @var \Illuminate\Cache\ArrayStore
     */
    protected $store;

    /**
     * Create a new lock instance.
     *
     * @param  \Illuminate\Cache\ArrayStore  $store
     * @param  string  $name
     * @param  int  $seconds
     * @param  string|null  $owner
     * @return void
     */
    public function __construct($store, $name, $seconds, $owner = null)
    {
        parent::__construct($name, $seconds, $owner);

        $this-&gt;store = $store;
    }

    /**
     * Attempt to acquire the lock.
     *
     * @return bool
     */
    public function acquire()
    {
        $expiration = $this-&gt;store-&gt;locks[$this-&gt;name]['expiresAt'] ?? Carbon::now()-&gt;addSecond();

        if ($this-&gt;exists() &amp;&amp; $expiration-&gt;isFuture()) {
            return false;
        }

        $this-&gt;store-&gt;locks[$this-&gt;name] = [
            'owner' =&gt; $this-&gt;owner,
            'expiresAt' =&gt; $this-&gt;seconds === 0 ? null : Carbon::now()-&gt;addSeconds($this-&gt;seconds),
        ];

        return true;
    }

    /**
     * Determine if the current lock exists.
     *
     * @return bool
     */
    protected function exists()
    {
        return isset($this-&gt;store-&gt;locks[$this-&gt;name]);
    }

    /**
     * Release the lock.
     *
     * @return bool
     */
    public function release()
    {
        if (! $this-&gt;exists()) {
            return false;
        }

        if (! $this-&gt;isOwnedByCurrentProcess()) {
            return false;
        }

        $this-&gt;forceRelease();

        return true;
    }

    /**
     * Returns the owner value written into the driver for this lock.
     *
     * @return string
     */
    protected function getCurrentOwner()
    {
        return $this-&gt;store-&gt;locks[$this-&gt;name]['owner'];
    }

    /**
     * Releases this lock in disregard of ownership.
     *
     * @return void
     */
    public function forceRelease()
    {
        unset($this-&gt;store-&gt;locks[$this-&gt;name]);
    }
}
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