laravel常用辅助函数
数组
use Illuminate\Support\Arr; Arr::collapse([[1, 2, 3], [4, 5, 6], [7, 8, 9]]); // [1, 2, 3, 4, 5, 6, 7, 8, 9] Arr::flatten(['name' => 'Joe', 'languages' => ['PHP', 'Ruby']]); // 将多维数组中数组的值取出平铺为一维数组 ['Joe', 'PHP', 'Ruby'] [$keys, $values] = Arr::divide(['name' => 'Desk']); //$keys: ['name'] $values: ['Desk'] Arr::except(['name' => 'Desk', 'price' => 100], ['price']); //['name' => 'Desk'] Arr::only(['name' => 'Desk', 'price' => 100, 'orders' => 10], ['name', 'price']); // ['name' => 'Desk', 'price' => 100] Arr::first([100, 200, 300], function ($value, $key) { // 200 Arr::first($array, $callback, $default); return $value >= 150; }); Arr::last([100, 200, 300, 110], function ($value, $key) { // 300 Arr::last($array, $callback, $default); return $value >= 150; }); Arr::where([100, '200', 300, '400', 500], function ($value, $key) { // [1 => '200', 3 => '400'] return is_string($value); }); Arr::whereNotNull([0, null]); // [0 => 0] Arr::pluck([ // ['Taylor', 'Abigail'] ['developer' => ['id' => 1, 'name' => 'Taylor']], ['developer' => ['id' => 2, 'name' => 'Abigail']], ], 'developer.name'); Arr::pluck([ // [1 => 'Taylor', 2 => 'Abigail'] ['developer' => ['id' => 1, 'name' => 'Taylor']], ['developer' => ['id' => 2, 'name' => 'Abigail']], ], 'developer.name', 'developer.id'); Arr::forget(['products' => ['desk' => ['price' => 100]]], 'products.desk'); // ['products' => []] Arr::get(['products' => ['desk' => ['price' => 100]]], 'products.desk.price'); // 100 Arr::get(['products' => ['desk' => ['price' => 100]]], 'products.desk.discount', 0); // 0 Arr::has(['product' => ['name' => 'Desk', 'price' => 100]], 'product.name'); // true Arr::has(['product' => ['name' => 'Desk', 'price' => 100]], ['product.price', 'product.discount']); // false Arr::hasAny(['product' => ['name' => 'Desk', 'price' => 100]], ['product.price', 'product.discount']); // true Arr::query([ // name=Taylor&order[column]=created_at&order[direction]=desc 'name' => 'Taylor', 'order' => [ 'column' => 'created_at', 'direction' => 'desc' ] ]); Arr::random([1, 2, 3, 4, 5]); //随机取一个 Arr::random([1, 2, 3, 4, 5], 2); //随机取2个 [2, 5] Arr::dot(['products' => ['desk' => ['price' => 100]]]); //['products.desk.price' => 100] Arr::undot([ // ['user' => ['name' => 'Kevin Malone', 'occupation' => 'Accountant']] 'user.name' => 'Kevin Malone', 'user.occupation' => 'Accountant', ]); data_fill(['products' => ['desk' => ['price' => 100]]], 'products.desk.price', 200); // ['products' => ['desk' => ['price' => 100]]] data_fill(['products' => ['desk' => ['price' => 100]]], 'products.desk.discount', 10); // ['products' => ['desk' => ['price' => 100, 'discount' => 10]]] data_fill([ 'products' => [ ['name' => 'Desk 1', 'price' => 100], ['name' => 'Desk 2'], ], ], 'products.*.price', 200); data_get(['products' => ['desk' => ['price' => 100]]], 'products.desk.price'); // 100 data_get(['products' => ['desk' => ['price' => 100]]], 'products.desk.discount', 0); // 0 data_get([ // ['Desk 1', 'Desk 2']; 'product-one' => ['name' => 'Desk 1', 'price' => 100], 'product-two' => ['name' => 'Desk 2', 'price' => 150], ], '*.name'); data_set(['products' => ['desk' => ['price' => 100]]], 'products.desk.price', 200); // ['products' => ['desk' => ['price' => 200]]] data_set([ 'products' => [ ['name' => 'Desk 1', 'price' => 100], ['name' => 'Desk 2', 'price' => 150], ], ], 'products.*.price', 200); data_set(['products' => ['desk' => ['price' => 100]]], 'products.desk.price', 200, $overwrite = false); // ['products' => ['desk' => ['price' => 100]]]
字符串
use Illuminate\Support\Str; e('<html>foo</html>'); // <html>foo</html> preg_replace_array('/:[a-z_]+/', ['8:30', '9:00'], 'between :start and :end'); //between 8:30 and 9:00 Str::after('This is my name', 'This is'); // ' my name' Str::afterLast('App\Http\Controllers\Controller', '\\'); // 'Controller' Str::before('This is my name', 'my name'); // 'This is ' Str::beforeLast('This is my name', 'is'); // 'This ' Str::between('This is my name', 'This', 'name'); // ' is my ' Str::contains('This is my name', 'my'); // true Str::contains('This is my name', ['my', 'foo']); // true Str::containsAll('This is my name', ['my', 'name']); // true Str::startsWith('This is my name', 'This'); // true Str::startsWith('This is my name', ['This', 'That', 'There']); // true Str::endsWith('This is my name', 'name'); // true Str::endsWith('This is my name', ['name', 'foo']); // true Str::endsWith('This is my name', ['this', 'foo']); // false //用来判断字符串是否与指定模式匹配 Str::is('foo*', 'foobar'); // true Str::is('baz*', 'foobar'); // false Str::studly('foo_bar'); // FooBar Str::camel('foo_bar'); // fooBar Str::snake('fooBar'); // foo_bar Str::snake('fooBar', '-'); // foo-bar Str::kebab('fooBar'); // foo-bar Str::excerpt('This is my name', 'my', [ 'radius' => 3 ]); // '...is my na...' 截断字符串 Str::excerpt('This is my name', 'name', [ 'radius' => 3, 'omission' => '(...) ' ]); // '(...) my name' Str::limit('The quick brown fox jumps over the lazy dog', 20); // The quick brown fox... Str::limit('The quick brown fox jumps over the lazy dog', 20, ' (...)'); // The quick brown fox (...) //将指定的字符串修改为以指定的值结尾的形式 Str::finish('this/string', '/'); // this/string/ Str::finish('this/string/', '/'); // this/string/ //将给定的值添加到字符串的开始位置 Str::start('this/string', '/'); // /this/string Str::start('/this/string', '/'); // /this/string //将由大小写、连字符或下划线分隔的字符串转换为空格分隔的字符串，同时保证每个单词的首字母大写 Str::headline('steve_jobs'); // Steve Jobs Str::headline('EmailNotificationSent'); // Email Notification Sent Str::ascii('û'); // 'u' 尝试将字符串转换为 ASCII 值 Str::isAscii('Taylor'); // true Str::isAscii('ü'); // false Str::isUuid('a0a2a2d2-0b87-4a18-83f2-2529882be2de'); // true Str::markdown('# Laravel'); // <h1>Laravel</h1> Str::markdown('# Taylor <b>Otwell</b>', [ 'html_input' => 'strip', ]); // <h1>Taylor Otwell</h1> //重复的字符掩盖字符串的一部分 Str::mask('taylor@example.com', '*', 3); // tay*************** Str::mask('taylor@example.com', '*', -15, 3); // tay***@example.com Str::padBoth('James', 10, '_'); // '__James___' Str::padBoth('James', 10); // ' James ' Str::padLeft('James', 10, '-='); // '-=-=-James' Str::padLeft('James', 10); // ' James' Str::padRight('James', 10, '-'); // 'James-----' Str::padRight('James', 10); // 'James ' Str::plural('car'); // cars Str::plural('child'); // children Str::singular('cars'); // car Str::remove('e', 'Peter Piper picked a peck of pickled peppers.'); // Ptr Pipr pickd a pck of pickld ppprs. Str::replace('8.x', '9.x', 'Laravel 8.x'); // Laravel 9.x Str::replaceArray('?', ['8:30', '9:00'], 'The event will take place between ? and ?'); // The event will take place between 8:30 and 9:00 Str::replaceFirst('the', 'a', 'the quick brown fox jumps over the lazy dog'); // a quick brown fox jumps over the lazy dog Str::replaceLast('the', 'a', 'the quick brown fox jumps over the lazy dog'); // the quick brown fox jumps over a lazy dog Str::reverse('Hello World'); // dlroW olleH Str::slug('Laravel 5 Framework', '-'); // laravel-5-framework 将给定的字符串生成一个 URL 友好的「slug」 Str::title('a nice title uses the correct case'); // A Nice Title Uses The Correct Case Str::substrCount('If you like ice cream, you will like snow cones.', 'like'); // 2 Str::wordCount('Hello, world!'); // 2 Str::words('Perfectly balanced, as all things should be.', 3, ' >>>'); // Perfectly balanced, as >>> Str::uuid(); Str::of('Taylor') ->when(true, function ($string) { return $string->append(' Otwell'); }); // 'Taylor Otwell' Str::of('tony stark') ->whenContains('tony', function ($string) { return $string->title(); }); // 'Tony Stark' Str::of('tony stark') ->whenContains(['tony', 'hulk'], function ($string) { return $string->title(); }); // Tony Stark Str::of('tony stark') ->whenContainsAll(['tony', 'stark'], function ($string) { return $string->title(); }); // Tony Stark Str::of(' ')->whenEmpty(function ($string) { return $string->trim()->prepend('Laravel'); }); // 'Laravel' Str::of('Framework')->whenNotEmpty(function ($string) { return $string->prepend('Laravel '); }); // 'Laravel Framework' Str::of('disney world')->whenStartsWith('disney', function ($string) { return $string->title(); }); // 'Disney World' Str::of('disney world')->whenEndsWith('world', function ($string) { return $string->title(); }); // 'Disney World' Str::of('laravel')->whenExactly('laravel', function ($string) { return $string->title(); }); // 'Laravel' Str::of('foo/bar')->whenIs('foo/*', function ($string) { return $string->append('/baz'); }); // 'foo/bar/baz' Str::of('foo/bar')->whenIsAscii('laravel', function ($string) { return $string->title(); });// 'Laravel'
其它
//路径 public_path(); public_path('css/app.css'); resource_path(); resource_path('sass/app.scss'); storage_path(); storage_path('app/file.txt'); //url action([UserController::class, 'profile'], ['id' => 1]); asset('img/photo.jpg'); route('route.name'); route('route.name', ['id' => 1]); url('user/profile', [1]); auth()->user(); bcrypt('my-secret-password'); encrypt('my-secret-value'); decrypt($value); blank(''); blank(' '); blank(null); blank(collect()); // true blank(0); blank(true); blank(false); // false filled(0); filled(true); filled(false); // true filled(''); filled(' '); filled(null); filled(collect()); // false cache('key'); cache('key', 'default'); cache(['key' => 'value'], 300); cache(['key' => 'value'], now()->addSeconds(10)); collect(['taylor', 'abigail']); config('app.timezone'); config('app.timezone', $default); env('APP_ENV'); env('APP_ENV', 'production'); dispatch(new App\Jobs\SendEmails); //将给定的 任务 推送到 Laravel 任务队列 event(new UserRegistered($user)); //向监听器派发给定 事件 $request = request(); $value = request('key', $default); return response('Hello World', 200, $headers); return response()->json(['foo' => 'bar'], 200, $headers); $value = session('key'); $value = session()->get('key'); session()->put('key', $value); session(['chairs' => 7, 'instruments' => 3]); $today = today(); //根据当前日期创建新的 Illuminate\Support\Carbon 实例 $now = now(); //为当前时间创建一个新的 Illuminate\Support\Carbon 实例
