Online PHP editor | output for fFlO8

<?php stream_wrapper_unregister('file'); stream_wrapper_register('file', InvalidStreamWrapper::class); echo '========file_get_contents' . PHP_EOL; echo file_get_contents('non-exists-file'); echo '========require' . PHP_EOL; require 'non-exists-file'; class InvalidStreamWrapper { public $context; private $content = "<?php echo time() . PHP_EOL; ?>\n"; private $counter = 0; public function stream_read($count) { if ($this->counter > 2) { return ''; } $this->counter++; return $this->content;; } public function stream_stat() { return true; } public function stream_open($path, $mode, $options, &$opened_path): bool { return true; } public function stream_eof(): bool { return true; } public function stream_set_option($option, $arg1, $arg2) { return true; } }