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('<html>');
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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