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Laravel 5.0 Helper Functions

Arrays

array_add

The array_add function adds a given key / value pair to the array if the given key doesn't already exist in the array.

$array = ['foo' => 'bar'];

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

array_divide

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

$array = ['foo' => 'bar'];

list($keys, $values) = array_divide($array);

array_dot

The array_dot function flattens a multi-dimensional array into a single level array that uses "dot" notation to indicate depth.

$array = ['foo' => ['bar' => 'baz']];

$array = array_dot($array);

// ['foo.bar' => 'baz'];

array_except

The array_except method removes the given key / value pairs from the array.

$array = array_except($array, ['keys', 'to', 'remove']);

array_fetch

The array_fetch method returns a flattened array containing the selected nested element.

$array = [
	['developer' => ['name' => 'Taylor']],
	['developer' => ['name' => 'Dayle']]
];

$array = array_fetch($array, 'developer.name');

// ['Taylor', 'Dayle'];

array_first

The array_first method returns the first element of an array passing a given truth test.

$array = [100, 200, 300];

$value = array_first($array, function($key, $value)
{
	return $value >= 150;
});

A default value may also be passed as the third parameter:

$value = array_first($array, $callback, $default);

array_last

The array_last method returns the last element of an array passing a given truth test.

$array = [350, 400, 500, 300, 200, 100];

$value = array_last($array, function($key, $value)
{
	return $value > 350;
});

// 500

A default value may also be passed as the third parameter:

$value = array_last($array, $callback, $default);

array_flatten

The array_flatten method will flatten a multi-dimensional array into a single level.

$array = ['name' => 'Joe', 'languages' => ['PHP', 'Ruby']];

$array = array_flatten($array);

// ['Joe', 'PHP', 'Ruby'];

array_forget

The array_forget method will remove a given key / value pair from a deeply nested array using "dot" notation.

$array = ['names' => ['joe' => ['programmer']]];

array_forget($array, 'names.joe');

array_get

The array_get method will retrieve a given value from a deeply nested array using "dot" notation.

$array = ['names' => ['joe' => ['programmer']]];

$value = array_get($array, 'names.joe');

$value = array_get($array, 'names.john', 'default');

Note: Want something like array_get but for objects instead? Use object_get.

array_only

The array_only method will return only the specified key / value pairs from the array.

$array = ['name' => 'Joe', 'age' => 27, 'votes' => 1];

$array = array_only($array, ['name', 'votes']);

array_pluck

The array_pluck method will pluck a list of the given key / value pairs from the array.

$array = [['name' => 'Taylor'], ['name' => 'Dayle']];

$array = array_pluck($array, 'name');

// ['Taylor', 'Dayle'];

array_pull

The array_pull method will return a given key / value pair from the array, as well as remove it.

$array = ['name' => 'Taylor', 'age' => 27];

$name = array_pull($array, 'name');

array_set

The array_set method will set a value within a deeply nested array using "dot" notation.

$array = ['names' => ['programmer' => 'Joe']];

array_set($array, 'names.editor', 'Taylor');

array_sort

The array_sort method sorts the array by the results of the given Closure.

$array = [
	['name' => 'Jill'],
	['name' => 'Barry']
];

$array = array_values(array_sort($array, function($value)
{
	return $value['name'];
}));

array_where

Filter the array using the given Closure.

$array = [100, '200', 300, '400', 500];

$array = array_where($array, function($key, $value)
{
	return is_string($value);
});

// Array ( [1] => 200 [3] => 400 )

head

Return the first element in the array.

$first = head($this->returnsArray('foo'));

last

Return the last element in the array. Useful for method chaining.

$last = last($this->returnsArray('foo'));

Paths

app_path

Get the fully qualified path to the app directory.

$path = app_path();

base_path

Get the fully qualified path to the root of the application install.

config_path

Get the fully qualified path to the config directory.

public_path

Get the fully qualified path to the public directory.

storage_path

Get the fully qualified path to the storage directory.

Routing

get

Register a new GET route with the router.

get('/', function() { return 'Hello World'; });

post

Register a new POST route with the router.

post('foo/bar', 'FooController@action');

put

Register a new PUT route with the router.

put('foo/bar', 'FooController@action');

patch

Register a new PATCH route with the router.

patch('foo/bar', 'FooController@action');

delete

Register a new DELETE route with the router.

delete('foo/bar', 'FooController@action');

resource

Register a new RESTful resource route with the router.

resource('foo', 'FooController');

Strings

camel_case

Convert the given string to camelCase.

$camel = camel_case('foo_bar');

// fooBar

class_basename

Get the class name of the given class, without any namespace names.

$class = class_basename('Foo\Bar\Baz');

// Baz

e

Run htmlentities over the given string, with UTF-8 support.

$entities = e('<html>foo</html>');

ends_with

Determine if the given haystack ends with a given needle.

$value = ends_with('This is my name', 'name');

snake_case

Convert the given string to snake_case.

$snake = snake_case('fooBar');

// foo_bar

str_limit

Limit the number of characters in a string.

str_limit($value, $limit = 100, $end = '...')

Example:

$value = str_limit('The PHP framework for web artisans.', 7);

// The PHP...

starts_with

Determine if the given haystack begins with the given needle.

$value = starts_with('This is my name', 'This');

str_contains

Determine if the given haystack contains the given needle.

$value = str_contains('This is my name', 'my');

str_finish

Add a single instance of the given needle to the haystack. Remove any extra instances.

$string = str_finish('this/string', '/');

// this/string/

str_is

Determine if a given string matches a given pattern. Asterisks may be used to indicate wildcards.

$value = str_is('foo*', 'foobar');

str_plural

Convert a string to its plural form (English only).

$plural = str_plural('car');

str_random

Generate a random string of the given length.

$string = str_random(40);

str_singular

Convert a string to its singular form (English only).

$singular = str_singular('cars');

str_slug

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

str_slug($title, $separator);

Example:

$title = str_slug("Laravel 5 Framework", "-");

// laravel-5-framework

studly_case

Convert the given string to StudlyCase.

$value = studly_case('foo_bar');

// FooBar

trans

Translate a given language line. Alias of Lang::get.

$value = trans('validation.required'):

trans_choice

Translate a given language line with inflection. Alias of Lang::choice.

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

URLs

action

Generate a URL for a given controller action.

$url = action('HomeController@getIndex', $params);

route

Generate a URL for a given named route.

$url = route('routeName', $params);

asset

Generate a URL for an asset.

$url = asset('img/photo.jpg');

secure_asset

Generate a URL for an asset using HTTPS.

echo secure_asset('foo/bar.zip', $title, $attributes = []);

secure_url

Generate a fully qualified URL to a given path using HTTPS.

echo secure_url('foo/bar', $parameters = []);

url

Generate a fully qualified URL to the given path.

echo url('foo/bar', $parameters = [], $secure = null);

Miscellaneous

csrf_token

Get the value of the current CSRF token.

$token = csrf_token();

dd

Dump the given variable and end execution of the script.

dd($value);

elixir

Get the path to a versioned Elixir file.

elixir($file);

env

Gets the value of an environment variable or return a default value.

env('APP_ENV', 'production')

event

Fire an event.

event('my.event');

value

If the given value is a Closure, return the value returned by the Closure. Otherwise, return the value.

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

view

Get a View instance for the given view path.

return view('auth.login');

with

Return the given object.

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

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