Online PHP editor | output for HC9W8

<?php $phpbb_code = ' <span>{navlinks.U_VIEW_FORUM}{$MICRODATA}{navlinks.MICRODATA}{navlinks.FORUM_NAME}</span> '; function fix_begin_tokens($code, $parent_nodes = array()) { // PHP 5.3 cannot use $this in an anonymous function, so use this as a work-around $parent_class = $this; $callback = function ($matches) use ($parent_class, $parent_nodes) { $hard_parents = explode('.', $matches[1]); array_pop($hard_parents); // ends with . if ($hard_parents) { $parent_nodes = array_merge($hard_parents, $parent_nodes); } $name = $matches[2]; $subset = trim(substr($matches[3], 1, -1)); // Remove parenthesis $body = $matches[4]; // Replace  $body = str_replace('', '{% else %}', $body); // Is the designer wanting to call another loop in a loop? //  //  //  //  // 'loop2' is actually on the same nesting level as 'loop' you assign // variables to it with template->assign_block_vars('loop2', array(...)) if (strpos($name, '!') === 0) { // Count the number if ! occurrences $count = substr_count($name, '!'); for ($i = 0; $i < $count; $i++) { array_pop($parent_nodes); $name = substr($name, 1); } } // Remove all parent nodes, e.g. foo, bar from foo.bar.foobar.VAR foreach ($parent_nodes as $node) { $body = preg_replace('#([^a-zA-Z0-9_])' . $node . '\.([a-zA-Z0-9_]+)\.#', '$1$2.', $body); } // Add current node to list of parent nodes for child nodes $parent_nodes[] = $name; // Recursive...fix any child nodes $body = $parent_class->fix_begin_tokens($body, $parent_nodes); // Need the parent variable name array_pop($parent_nodes); $parent = (!empty($parent_nodes)) ? end($parent_nodes) . '.' : ''; if ($subset !== '') { $subset = '|subset(' . $subset . ')'; } $parent = ($parent) ?: 'loops.'; // Turn into a Twig for loop return "{% for {$name} in {$parent}{$name}{$subset} %}{$body}{% endfor %}"; }; return preg_replace_callback('#(.+?)#s', $callback, $code); } $code = $this->fix_begin_tokens($phpbb_code, ''); echo $code;