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    <h3>Editing: ClosureStream.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php
/* ===========================================================================
 * Copyright (c) 2018-2021 Zindex Software
 *
 * Licensed under the MIT License
 * =========================================================================== */

namespace Opis\Closure;

/**
 * @internal
 */
class ClosureStream
{
    const STREAM_PROTO = 'closure';

    protected static $isRegistered = false;

    protected $content;

    protected $length;

    protected $pointer = 0;

    function stream_open($path, $mode, $options, &amp;$opened_path)
    {
        $this-&gt;content = &quot;&lt;?php\nreturn &quot; . substr($path, strlen(static::STREAM_PROTO . '://')) . &quot;;&quot;;
        $this-&gt;length = strlen($this-&gt;content);
        return true;
    }

    public function stream_read($count)
    {
        $value = substr($this-&gt;content, $this-&gt;pointer, $count);
        $this-&gt;pointer += $count;
        return $value;
    }

    public function stream_eof()
    {
        return $this-&gt;pointer &gt;= $this-&gt;length;
    }

    public function stream_set_option($option, $arg1, $arg2)
    {
        return false;
    }

    public function stream_stat()
    {
        $stat = stat(__FILE__);
        $stat[7] = $stat['size'] = $this-&gt;length;
        return $stat;
    }

    public function url_stat($path, $flags)
    {
        $stat = stat(__FILE__);
        $stat[7] = $stat['size'] = $this-&gt;length;
        return $stat;
    }

    public function stream_seek($offset, $whence = SEEK_SET)
    {
        $crt = $this-&gt;pointer;

        switch ($whence) {
            case SEEK_SET:
                $this-&gt;pointer = $offset;
                break;
            case SEEK_CUR:
                $this-&gt;pointer += $offset;
                break;
            case SEEK_END:
                $this-&gt;pointer = $this-&gt;length + $offset;
                break;
        }

        if ($this-&gt;pointer &lt; 0 || $this-&gt;pointer &gt;= $this-&gt;length) {
            $this-&gt;pointer = $crt;
            return false;
        }

        return true;
    }

    public function stream_tell()
    {
        return $this-&gt;pointer;
    }

    public static function register()
    {
        if (!static::$isRegistered) {
            static::$isRegistered = stream_wrapper_register(static::STREAM_PROTO, __CLASS__);
        }
    }

}
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