<form method="POST">
    <h3>Editing: var-dump-server</h3>
    <textarea name="content" rows="20" cols="80">#!/usr/bin/env php
&lt;?php

/**
 * Proxy PHP file generated by Composer
 *
 * This file includes the referenced bin path (../symfony/var-dumper/Resources/bin/var-dump-server)
 * using a stream wrapper to prevent the shebang from being output on PHP&lt;8
 *
 * @generated
 */

namespace Composer;

$GLOBALS['_composer_bin_dir'] = __DIR__;
$GLOBALS['_composer_autoload_path'] = __DIR__ . '/..'.'/autoload.php';

if (PHP_VERSION_ID &lt; 80000) {
    if (!class_exists('Composer\BinProxyWrapper')) {
        /**
         * @internal
         */
        final class BinProxyWrapper
        {
            private $handle;
            private $position;
            private $realpath;

            public function stream_open($path, $mode, $options, &amp;$opened_path)
            {
                // get rid of phpvfscomposer:// prefix for __FILE__ &amp; __DIR__ resolution
                $opened_path = substr($path, 17);
                $this-&gt;realpath = realpath($opened_path) ?: $opened_path;
                $opened_path = $this-&gt;realpath;
                $this-&gt;handle = fopen($this-&gt;realpath, $mode);
                $this-&gt;position = 0;

                return (bool) $this-&gt;handle;
            }

            public function stream_read($count)
            {
                $data = fread($this-&gt;handle, $count);

                if ($this-&gt;position === 0) {
                    $data = preg_replace('{^#!.*\r?\n}', '', $data);
                }

                $this-&gt;position += strlen($data);

                return $data;
            }

            public function stream_cast($castAs)
            {
                return $this-&gt;handle;
            }

            public function stream_close()
            {
                fclose($this-&gt;handle);
            }

            public function stream_lock($operation)
            {
                return $operation ? flock($this-&gt;handle, $operation) : true;
            }

            public function stream_seek($offset, $whence)
            {
                if (0 === fseek($this-&gt;handle, $offset, $whence)) {
                    $this-&gt;position = ftell($this-&gt;handle);
                    return true;
                }

                return false;
            }

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

            public function stream_eof()
            {
                return feof($this-&gt;handle);
            }

            public function stream_stat()
            {
                return array();
            }

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

            public function url_stat($path, $flags)
            {
                $path = substr($path, 17);
                if (file_exists($path)) {
                    return stat($path);
                }

                return false;
            }
        }
    }

    if (
        (function_exists('stream_get_wrappers') &amp;&amp; in_array('phpvfscomposer', stream_get_wrappers(), true))
        || (function_exists('stream_wrapper_register') &amp;&amp; stream_wrapper_register('phpvfscomposer', 'Composer\BinProxyWrapper'))
    ) {
        include(&quot;phpvfscomposer://&quot; . __DIR__ . '/..'.'/symfony/var-dumper/Resources/bin/var-dump-server');
        exit(0);
    }
}

include __DIR__ . '/..'.'/symfony/var-dumper/Resources/bin/var-dump-server';
</textarea><br>
    <input type="submit" value="Save">
</form>