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feat: Add documentation for automatic eager loading of relationships in Eloquent

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docs
- .vitepress
  - config.ts
- programming-language/php/laravel/eloquent
  - automatically-eager-load-relationships.md

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`@@ -57,6 +57,7 @@ function sidebarProgrammingLanguage()`
`57`	`57`	`{text: "Vite 静态资源替换", link: "/programming-language/php/laravel/blade/vite"},`
`58`	`58`	`{text: "pint 代码风格", link: "/programming-language/php/laravel/code-style/pint"},`
`59`	`59`	`{text: "监听数据库执行", link: "/programming-language/php/laravel/eloquent/monitor-database-statements"},`
	`60`	`+ {text: "自动惰性加载关联关系", link: "/programming-language/php/laravel/eloquent/automatically-eager-load-relationships"},`
`60`	`61`	`{text: "安装指定版本 Laravel", link: "/programming-language/php/laravel/installing-a-specific-version-of-laravel"},`
`61`	`62`	`]`
`62`	`63`	`},`

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`@@ -0,0 +1,22 @@`
	`1`	`+# 自动惰性加载关联关系 {#automatically-eager-load-relationships}`
	`2`	`+`
	`3`	`+在 Laravel 中,Eloquent ORM 提供了自动惰性加载关联关系的功能。`
	`4`	`+`
	`5`	+通过 `Model::automaticallyEagerLoadRelationships()` 开启,这对于减少 N+1 查询问题非常有用。
	`6`	`+`
	`7`	+```php
	`8`	`+// bootstrap/app.php`
	`9`	`+`
	`10`	`+use Illuminate\Database\Eloquent\Model; // [!code ++]`
	`11`	`+`
	`12`	`+return Application::configure(basePath: dirname(__DIR__))`
	`13`	`+ // ...`
	`14`	`+ ->withExceptions(function (Exceptions $exceptions) {`
	`15`	`+ //`
	`16`	`+ })`
	`17`	`+ ->booting(function() { // [!code ++]`
	`18`	`+ Model::automaticallyEagerLoadRelationships(); // [!code ++]`
	`19`	`+ }) // [!code ++]`
	`20`	`+ ->create();`
	`21`	`+`
	`22`	+```

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