BlockIdFixer.php

<?php
public function fixBlockIds() {
		foreach($this->blocks as $k => $block) {
			$replace = null;
			switch($block->getId()) {
				case 126:
					$replace = Block::get(Block::WOOD_SLAB, $block->getDamage());
					break;
				case 95:
					$replace = Block::get(Block::GLASS);
					break;
				case 160:
					$replace = Block::get(Block::GLASS_PANE);
					break;
				case 125:
					$replace = Block::get(Block::DOUBLE_WOODEN_SLAB, $block->getDamage());
					break;
				case 188:
					$replace = Block::get(Block::FENCE, 1);
					break;
				case 189:
					$replace = Block::get(Block::FENCE, 2);
					break;
				case 190:
					$replace = Block::get(Block::FENCE, 3);
					break;
				case 191:
					$replace = Block::get(Block::FENCE, 5);
					break;
				case 192:
					$replace = Block::get(Block::FENCE, 4);
					break;
				default:
					break;
			}
			if($replace) {
				$replace->setComponents($block->x, $block->y, $block->z);
				$this->blocks[$k] = $replace;
			}
		}
	}