What are laravel functions

Laravel functions include: 1. array_add(), which can add a given key-value pair to an array; 2. array_collapse(), which can collapse each array of the array into a single array; 3. array_dot (), which can convert a multi-dimensional array into a one-dimensional array; 4. array_except(), etc.

The operating environment of this tutorial: Windows 7 system, Laravel 6 version, DELL G3 computer.

laravel common functions

Array type function

1, array_add function

If the given The key does not exist in the array. The array_add function adds the given key-value pair to the array.

array_add($array, 'key', 'value');

2. array_collapse

Collapses each array of the array into a single array

array_collapse($array);

3. array_divide

The function returns two arrays, one containing the keys of the original array and the other containing the values of the original array

array_divide($array);

4. array_dot

Flatten the multi-dimensional array into a one-dimensional array, and use "dot" syntax to express the depth

array_dot($array);

5, array_except

Remove the given key-value pair from the array

array_except($array, array('key'));

6, array_first

Return the first element in the array that passes the true test

array_first($array, function($key, $value){}, $default);

7, array_flatten

Flatten the multi-dimensional array into one dimension

['Joe', 'PHP', 'Ruby']; array_flatten(['name' => 'Joe', 'languages' => ['PHP', 'Ruby']]);

8, array_forget

Use "dot" syntax to remove a given key-value pair from a deeply nested array

array_forget($array, 'foo'); array_forget($array, 'foo.bar');

9, array_get

Use "Dot" syntax retrieves a given value from a deeply nested array

array_get($array, 'foo', 'default'); array_get($array, 'foo.bar', 'default');

10. array_has

Use "dot" syntax to check whether a given item exists in the array

array_has($array, 'products.desk');

11, array_only

Return the given key-value pair from the array

array_only($array, array('key'));

12, array_pluck

Pull out a given key-value pair from the array

array_pluck($array, 'key');

13, array_pull

Removes and returns the given key-value pair from the array

array_pull($array, 'key');

14, array_set

Use "dot" syntax Write a value in a deeply nested array

array_set($array, 'key', 'value'); array_set($array, 'key.subkey', 'value');

15, array_sort

Sort the array by the result of the given closure

array_sort($array, function(){});

16, array_sort_recursive

Use the sort function to recursively sort the array

array_sort_recursive();

17, array_where

Use the given closure to filter the array

array_where();

18, head

Return the given array The first element

head($array);

19, last

Returns the last element of the given array

last($array);

Path function

1. app_path

Get the full path of the app folder

app_path();

2. base_path

Get the full path of the project root directory

base_path();

3.config_path

Get the full path of the application configuration directory

config_path();

4. database_path

Get the full path of the application database directory

database_path();

5.elixir

Get the Elixir file path plus the version number

elixir();

6, public_path

Get the full path of the public directory

public_path();

7, storage_path

Get storage The full path of the directory

storage_path();

String function

1, camel_case

Convert the given string into camel case naming

camel_case($value);

2. class_basename

Returns the class name without namespace

class_basename($class); class_basename($object);

3. e

Run htmlentities on the given string

e('');

4 , starts_with

Determine whether the beginning of the string is the given content

starts_with('Foo bar.', 'Foo');

5, ends_with

Determine whether the end of the given string is the specified content

ends_with('Foo bar.', 'bar.');

6. snake_case

Convert the given string into a snake name

snake_case('fooBar');

7. str_limit

Limit the number of characters in the string

str_limit();

8 , str_contains

Determine whether the given string contains the specified content

str_contains('Hello foo bar.', 'foo');

9, str_finish

Add the given content to the end of the string, foo/bar/

str_finish('foo/bar', '/');

10. str_is

Determine whether the given string matches the given format

str_is('foo*', 'foobar');

11. str_plural

Convert the string into plural form

str_plural('car');

12, str_random

Generate a random string of a given length

str_random(25);

13, str_singular

Convert the string into singular form. This function currently only supports English

str_singular('cars');

14, str_slug

Generate a URL-friendly "slug" from a given string

str_slug("Laravel 5 Framework", "-");

15, studly_case

Convert the given string to "capitalization": FooBar

studly_case('foo_bar');

16, trans

Translate the given statement according to your localization file

trans('foo.bar');

17 , trans_choice

Translate the given statement according to the suffix change

trans_choice('foo.bar', $count);

URLs and Links function

1、action

generated to Define the controller behavior URL

action('FooController@method', $parameters);

2, asset

Generate the resource file URL based on the current request protocol (HTTP or HTTPS)

asset('img/photo.jpg', $title, $attributes);

3, secure_asset

Generate resource file URL according to HTTPS

secure_asset('img/photo.jpg', $title, $attributes);

4, route

Generate URL of given route name

route($route, $parameters, $absolute = true);

5, url

Generate URL of given path Full URL

url('path', $parameters = array(), $secure = null);

Miscellaneous function

1. auth()->user()

Returns an authenticator instance. You can use this instead of the Auth facade

auth()->user();

2, back

Generate a redirect response to return the user to the previous location

back();

3, bcrypt

Hash the given value using Bcrypt. You can use this instead of Hash facade

bcrypt('my-secret-password');

4, collect

Generate a collection instance from a given project

collect(['taylor', 'abigail']);

5, config

Get the setting value of the setting option

config('app.timezone', $default);

6、

产生包含 CSRF 令牌内容的 HTML 表单隐藏字段

{!! csrf_field() !!}

7、csrf_token

取得当前 CSRF 令牌的内容

$token = csrf_token();

8、dd

输出给定变量并结束脚本运行

dd($value);

9、env

取得环境变量值或返回默认值

$env = env('APP_ENV'); $env = env('APP_ENV', 'production');

10、

配送给定事件到所属的侦听器

event(new UserRegistered($user));

11、

根据给定类、名称以及总数产生模型工厂建构器

$user = factory(App\User::class)->make();

12、

产生拟造 HTTP 表单动作内容的 HTML 表单隐藏字段

{!! method_field('delete') !!}

13、old

取得快闪到 session 的旧有输入数值

$value = old('value'); $value = old('value', 'default');

14、redirect

返回重定向器实例以进行 重定向

return redirect('/home');

15、request

取得目前的请求实例或输入的项目

$value = request('key', $default = null)

16、response

创建一个回应实例或获取一个回应工厂实例

return response('Hello World', 200, $headers);

17、session

可被用于取得或设置单一 session 内容

$value = session('key');

18、

在没有传递参数时，将返回 session 实例

$value = session()->get('key'); session()->put('key', $value);

19、

返回给定数值

value(function(){ return 'bar'; });

20、view

取得视图 实例

return view('auth.login');

21、

返回给定的数值

$value = with(new Foo)->work();

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