# 常用語句
```
<pre class="calibre18">```
助手函數路徑
\vendor\laravel\framework\src\Illuminate\Support\helpers<span class="token2">.</span>php
<span class="token1">config</span><span class="token2">(</span><span class="token4">'app.cdn_domain'</span><span class="token2">)</span> 讀取配置
<span class="token1">env</span><span class="token2">(</span><span class="token4">'CDN_DOMAIN'</span><span class="token2">)</span> 只在配置文件使用的讀取
$path <span class="token">=</span> <span class="token1">app_path</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 返回app路徑C<span class="token2">:</span>\www\laravel\app<span class="token2">,</span>
$path <span class="token">=</span> <span class="token1">base_path</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 項目根目錄<span class="token2">,</span>C<span class="token2">:</span>\www\laravel
$path <span class="token">=</span> <span class="token1">config_path</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span>配置路徑C<span class="token2">:</span>\www\laravel\config
$path <span class="token">=</span> <span class="token1">public_path</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 返回public路徑C<span class="token2">:</span>\www\laravel\public<span class="token2">,</span>路徑函數都支持生成文件路徑
$path <span class="token">=</span> <span class="token1">resource_path</span><span class="token2">(</span><span class="token4">'assets/sass/app.scss'</span><span class="token2">)</span><span class="token2">;</span> 資源路徑<span class="token2">;</span>C<span class="token2">:</span>\www\laravel\resources\assets<span class="token">/</span>sass<span class="token">/</span>app<span class="token2">.</span>scss
$path <span class="token">=</span> <span class="token1">storage_path</span><span class="token2">(</span><span class="token4">'app/file.txt'</span><span class="token2">)</span><span class="token2">;</span>文件存儲路徑C<span class="token2">:</span>\www\laravel\storage\app<span class="token">/</span>file<span class="token2">.</span>txt
<span class="token1">__</span><span class="token2">(</span><span class="token4">"lang.test"</span><span class="token2">)</span> <span class="token6">//本地化,lang是文件,配置'locale' => 'zh-CN' trans("lang.test")只翻譯鍵</span>
<span class="token1">e</span><span class="token2">(</span><span class="token4">'<html>foo</html>'</span><span class="token2">)</span> 輸出源代碼
<span class="token1">str_contains</span><span class="token2">(</span><span class="token4">'This is my name'</span><span class="token2">,</span> <span class="token4">'my'</span><span class="token2">)</span><span class="token2">;</span> 是否包含某個值
<span class="token1">str_limit</span><span class="token2">(</span><span class="token4">'我是中國人'</span><span class="token2">,</span> <span class="token3">3</span><span class="token2">,</span> <span class="token4">'...'</span><span class="token2">)</span> 截取字符串 中文<span class="token3">3</span>個一個漢字
<span class="token1">str_random</span><span class="token2">(</span><span class="token3">40</span><span class="token2">)</span> 隨機字符串
<span class="token1">asset</span><span class="token2">(</span><span class="token4">'img/photo.jpg'</span><span class="token2">)</span> 生成完整包含http<span class="token">/</span>https路徑 <span class="token1">secure_asset</span><span class="token2">(</span><span class="token2">)</span>只生成https
<span class="token1">url</span><span class="token2">(</span><span class="token4">'user/profile'</span><span class="token2">,</span> <span class="token2">[</span><span class="token4">'id'</span><span class="token">=</span><span class="token">></span><span class="token3">1</span><span class="token2">]</span><span class="token2">)</span>http<span class="token2">:</span><span class="token">/</span><span class="token">/</span>laravel<span class="token2">.</span>api<span class="token2">.</span>shanliwawa<span class="token2">.</span>top<span class="token">/</span>user<span class="token">/</span>profile<span class="token">/</span><span class="token3">1</span> secure_url只生成https
<span class="token1">url</span><span class="token2">(</span><span class="token2">)</span><span class="token">-</span><span class="token">></span><span class="token1">full</span><span class="token2">(</span><span class="token2">)</span> 當前完整域名
$cookie <span class="token">=</span> <span class="token1">cookie</span><span class="token2">(</span><span class="token4">'name'</span><span class="token2">,</span> <span class="token4">'value'</span><span class="token2">,</span> $minutes<span class="token2">)</span><span class="token2">;</span>
<span class="token2">{</span><span class="token2">{</span> <span class="token1">csrf_field</span><span class="token2">(</span><span class="token2">)</span> <span class="token2">}</span><span class="token2">}</span> 生成令牌 $token <span class="token">=</span> <span class="token1">csrf_token</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 獲取令牌
<span class="token1">encrypt</span><span class="token2">(</span><span class="token2">)</span> <span class="token1">decrypt</span><span class="token2">(</span><span class="token2">)</span> 加密解密
<span class="token1">dump</span><span class="token2">(</span><span class="token2">)</span>打印變量 <span class="token1">dd</span><span class="token2">(</span><span class="token2">)</span> 打印后停止
<span class="token1">info</span><span class="token2">(</span><span class="token4">'Some helpful information!'</span><span class="token2">)</span><span class="token2">;</span> 寫入日志
<span class="token1">logger</span><span class="token2">(</span><span class="token4">'Debug message'</span><span class="token2">)</span><span class="token2">;</span> 錯誤寫入日志
<span class="token1">redirect</span><span class="token2">(</span><span class="token4">'/home'</span><span class="token2">)</span><span class="token2">;</span> 跳轉
$value <span class="token">=</span> <span class="token1">session</span><span class="token2">(</span><span class="token4">'key'</span><span class="token2">)</span><span class="token2">;</span> <span class="token1">session</span><span class="token2">(</span><span class="token2">[</span><span class="token4">'chairs'</span> <span class="token">=</span><span class="token">></span> <span class="token3">7</span><span class="token2">,</span> <span class="token4">'instruments'</span> <span class="token">=</span><span class="token">></span> <span class="token3">3</span><span class="token2">]</span><span class="token2">)</span><span class="token2">;</span> 獲取設置session
use Illuminate\Support\Facades\Hash<span class="token2">;</span>
Hash<span class="token2">:</span><span class="token2">:</span><span class="token1">make</span><span class="token2">(</span>$request<span class="token">-</span><span class="token">></span>newPassword<span class="token2">)</span> 加密密碼
助手加密解密函數<span class="token2">,</span>支持字符串數組對象
<span class="token1">encrypt</span><span class="token2">(</span><span class="token2">)</span> <span class="token1">decrypt</span><span class="token2">(</span><span class="token2">)</span>
use Illuminate\Support\Facades\Crypt<span class="token2">;</span>無序列化加密
$encrypted <span class="token">=</span> Crypt<span class="token2">:</span><span class="token2">:</span><span class="token1">encryptString</span><span class="token2">(</span><span class="token4">'Hello world.'</span><span class="token2">)</span><span class="token2">;</span>
$decrypted <span class="token">=</span> Crypt<span class="token2">:</span><span class="token2">:</span><span class="token1">decryptString</span><span class="token2">(</span>$encrypted<span class="token2">)</span><span class="token2">;</span>
Crypt<span class="token2">:</span><span class="token2">:</span><span class="token1">encrypt</span><span class="token2">(</span><span class="token2">)</span> 支持字符串數組對象
Crypt<span class="token2">:</span><span class="token2">:</span><span class="token1">decrypt</span><span class="token2">(</span><span class="token2">)</span>
use Illuminate\Http\Request 是請求對象數據處理
$request<span class="token">-</span><span class="token">></span><span class="token1">input</span><span class="token2">(</span><span class="token4">'title'</span><span class="token2">)</span><span class="token2">;</span> 獲取輸入
$site <span class="token">=</span> $request<span class="token">-</span><span class="token">></span><span class="token1">input</span><span class="token2">(</span><span class="token4">'site'</span><span class="token2">,</span> <span class="token4">'Laravel學院'</span><span class="token2">)</span><span class="token2">;</span> 請求為空取后邊值
$request<span class="token">-</span><span class="token">></span><span class="token1">input</span><span class="token2">(</span><span class="token4">'books.0.author'</span><span class="token2">)</span> 數組獲取單值
$request<span class="token">-</span><span class="token">></span><span class="token1">json</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 返回JSON數據格式
$request<span class="token">-</span><span class="token">></span><span class="token1">all</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span> 全部
$request<span class="token">-</span><span class="token">></span><span class="token1">except</span><span class="token2">(</span><span class="token4">'id'</span><span class="token2">)</span><span class="token2">;</span>排除
$request<span class="token">-</span><span class="token">></span><span class="token1">only</span><span class="token2">(</span><span class="token2">[</span><span class="token4">'name'</span><span class="token2">,</span> <span class="token4">'site'</span><span class="token2">,</span> <span class="token4">'domain'</span><span class="token2">]</span><span class="token2">)</span><span class="token2">;</span> 只獲取這些字段
$request<span class="token">-</span><span class="token">></span><span class="token1">has</span><span class="token2">(</span><span class="token4">'id'</span><span class="token2">)</span> 判斷id字段是否存在
```
```
- 簡介
- 第一章 數據庫
- Mysql/mariadb
- 函數
- 基礎
- 增刪改索引
- 標準查詢
- 高級查詢
- TIDB集群mysql解決方案
- Redis
- 語言基礎
- 5種數據類型
- 其他類型
- Sqlite
- 語言基礎
- 常用查詢
- 第二章 PHP
- 語言基礎
- 第一課 流程控制和運算
- 第二課 數組
- 第三課 日期時間
- 第四課 常用函數
- 第五課 字符串
- 第六課 文件操作
- 第七課 面向對象
- 第八課 正則表達式
- 第九課 圖片處理生成
- 第十課 curl/memche
- 第十一課 mysql和pdo
- 第十三課 cookie和session
- 第十四課 xml操作
- 第十五課 php5.3+新特性
- 第十六課 php7+
- 第十七課 密碼安全
- 廢棄函數
- php命令行
- redis應用
- 算法
- 排序算法
- 基礎算法
- 無限級分類
- 自定義函數Fn
- 查找算法
- 自定義函數數據函數fn
- laravel
- 路由
- 常用語句
- 數據庫
- dingo/api
- Yii2
- 控制器
- 常用類
- 數據庫
- redis
- thinkphp6
- TP6文檔
- TP6插件
- dedecms
- 織夢標簽大全
- 數據庫操作
- 內置函數和定義函數
- 織夢核心改動
- 織夢插件/底層標簽開發
- PHP相關工具
- composer
- php開發環境phpenv
- Phpstorm使用
- windows編譯php擴展
- PHP開源庫
- 開源項目管理禪道
- sns_auth
- php-casbin權限控制
- php-jwt
- 微信SDKeasywechat
- querylist采集庫
- workerman
- Box/Spout處理excel和csv
- dll擴展
- redis/memche/xdebug
- redis
- Lua
- php_xlswriter
- event
- swoole
- 常用代碼庫
- 微擎框架
- 第一課全局變量
- 第二課常用函數
- 第三課自定義微擎獨有函數
- 第四課數據庫操作
- 第五課微信端回復
- 第六課微擎高級操作
- 第八課global函數列表
- mainfest.xml詳解
- js方法
- 人人商城
- 第一課model解讀
- 第二課常用語句解讀
- 第三課常用js解讀
- 第四課附錄常見問題
- 第五課附錄處理報表|支付
- 常用JSON狀態碼
- 第三章 JavaScript
- js基礎
- 瀏覽器對象
- 語言基礎
- html5接口
- ES6新語法
- vue
- 基礎語法
- 京東vueUI組件
- uniapp
- 組件開發規范
- nodejs
- 基礎知識
- 安裝node
- nvm不同版本node切換
- js常用標準庫
- zepto/jquery
- weui
- js圖標庫
- elementUI
- validator表單驗證
- layer彈出層
- requirejs
- wow動畫
- 動畫animate
- swiper4
- 百度編輯器
- flyio/axios/qs
- jquery.form
- bootstrap3
- clipboard復制
- slideout側滑
- imagehover.css圖片懸停動畫
- webpack打包
- Bulma UI框架
- store 客戶端存儲
- lottie動畫創建庫
- sweetalert
- js自定義函數
- 常見JSSDK
- 微信公眾號JSSDK
- 騰訊地圖jssdk
- 微信小程序
- 第四章 編程語言
- markdown語言
- Dart語言
- Dart語言基礎
- Flutter框架
- Lua語言
- 字符串,數組,表
- 自定義方法
- go語言
- 第1.1語言基本語法
- 第1.2流程控制
- 第1.3函數
- 第1.4結構體
- 第1.5接口
- 第1.6包
- go語言框架Gin
- CSS3語言
- CSS與CSS3
- 選擇符
- 屬性
- css3
- loading動畫
- HTML5語言
- less
- sass
- C#
- 基礎知識
- 函數
- 第五章 開發工具
- git
- nginx/apache服務器
- Linux常用操作
- crontab定時任務
- 注冊表與cmd
- 阿里云ECS
- frp穿透和ssl續期
- 寶塔安裝
- 樹莓派
- 瀏覽器模擬
- 火狐/chrome常用插件
- WSL安裝使用
- mac brew和終端命令
- win10相關