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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 變量調試 [變量調試官方手冊 ](http://www.hmoore.net/manual/thinkphp6_0/1037621) TP6.0 引入了第三方擴展 `symfony/var-dumper` 優雅的PHP調試擴展庫 dump() 的輸出效果正是來自該擴展庫 >[danger] 輸出/打印某個變量,TP6 推薦使用 `dump()` `halt()` **用法和PHP內置的`var_dump`一致:** ``` // 打印一個或多個變量 dump($var1, ...$varN) ``` >[danger] dump() 使用示例 ```php $data = [ 'name' => '張三', 'age' => 20 ]; $address = ['北京', '上海', '廣州']; dump($data, $address); ``` ![](https://img.kancloud.cn/c9/ad/c9ad236530eb177a97076d026200451b_753x170.png) >[danger] 調試變量并中止程序的執行 `halt()` 用法和`dump()`相同 只是在輸出變量后會終止程序的執行
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