├── .github ├── FUNDING.yml ├── SECURITY.md └── workflows │ ├── bc-check.yml │ ├── phpstan.yml │ ├── infection.yml │ └── run-tests.yml ├── .gitignore ├── infection.json5 ├── phpstan.neon ├── tests ├── NullifyExtendTest.php ├── NullifyArrayAccessTest.php ├── NullifyTest.php └── NullifyCollectionTest.php ├── phpunit.xml ├── LICENSE.md ├── composer.json ├── src └── Nullify.php └── README.md /.github/FUNDING.yml: -------------------------------------------------------------------------------- 1 | custom: ["https://paypal.com/donate/?hosted_button_id=KHLEL8PFS4AXJ"] 2 | -------------------------------------------------------------------------------- /.github/SECURITY.md: -------------------------------------------------------------------------------- 1 | # Security Policy 2 | 3 | If you discover any security related issues, please email michael@laravel.software instead of using the issue tracker. 4 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .idea 2 | .phpunit.result.cache 3 | .phpunit.cache 4 | coverage 5 | docs 6 | testbench.yaml 7 | vendor 8 | node_modules 9 | infection.log 10 | build 11 | -------------------------------------------------------------------------------- /infection.json5: -------------------------------------------------------------------------------- 1 | { 2 | "$schema": "vendor/infection/infection/resources/schema.json", 3 | "source": { 4 | "directories": [ 5 | "src" 6 | ] 7 | }, 8 | // "logs": { 9 | // "text": "php://stderr", 10 | // "github": true 11 | // }, 12 | "logs": { 13 | "text": "infection.log" 14 | }, 15 | "mutators": { 16 | "@default": true, 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /phpstan.neon: -------------------------------------------------------------------------------- 1 | parameters: 2 | 3 | paths: 4 | - src 5 | 6 | level: max 7 | 8 | reportUnmatchedIgnoredErrors: false 9 | 10 | ignoreErrors: 11 | - '#Argument of an invalid type ArrayAccess\|iterable supplied for foreach, only iterables are supported\.#' 12 | - '#Cannot access offset mixed on array\|ArrayAccess\|\(iterable&object\)\.#' 13 | - '#Cannot access offset mixed on mixed\.#' 14 | -------------------------------------------------------------------------------- /tests/NullifyExtendTest.php: -------------------------------------------------------------------------------- 1 | assertTrue(true); 15 | } 16 | } 17 | 18 | class NewNullify extends Nullify 19 | { 20 | public function __construct() 21 | { 22 | static::nullify(''); 23 | static::blank(''); 24 | static::clone(''); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /.github/workflows/bc-check.yml: -------------------------------------------------------------------------------- 1 | name: bc-check 2 | 3 | on: 4 | push: 5 | branches: 6 | - main 7 | pull_request: 8 | branches: 9 | - main 10 | 11 | jobs: 12 | backwards-compatibility-check: 13 | name: Backwards Compatibility Check 14 | runs-on: ubuntu-latest 15 | steps: 16 | - uses: actions/checkout@v2 17 | with: 18 | fetch-depth: 0 19 | - name: "Install PHP" 20 | uses: shivammathur/setup-php@v2 21 | with: 22 | php-version: "8.3" 23 | - name: "Install dependencies" 24 | run: "composer install" 25 | - name: "Install BC check" 26 | run: "composer require --dev roave/backward-compatibility-check" 27 | - name: "Check for BC breaks" 28 | run: "vendor/bin/roave-backward-compatibility-check" 29 | -------------------------------------------------------------------------------- /.github/workflows/phpstan.yml: -------------------------------------------------------------------------------- 1 | name: phpstan 2 | 3 | on: 4 | push: 5 | branches: [main] 6 | pull_request: 7 | branches: [main] 8 | 9 | jobs: 10 | phpstan: 11 | name: "Running Larastan check" 12 | runs-on: ubuntu-latest 13 | steps: 14 | - uses: actions/checkout@v2 15 | 16 | - name: Setup PHP 17 | uses: shivammathur/setup-php@v2 18 | with: 19 | php-version: '8.3' 20 | extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, intl 21 | coverage: none 22 | 23 | - name: Cache composer dependencies 24 | uses: actions/cache@v2 25 | with: 26 | path: vendor 27 | key: composer-${{ hashFiles('composer.lock') }} 28 | 29 | - name: Run composer install 30 | run: composer install -n --prefer-dist 31 | 32 | - name: Run phpstan 33 | run: ./vendor/bin/phpstan 34 | -------------------------------------------------------------------------------- /phpunit.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | tests 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | ./src 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /.github/workflows/infection.yml: -------------------------------------------------------------------------------- 1 | name: infection 2 | 3 | on: 4 | push: 5 | branches: [main] 6 | pull_request: 7 | branches: [main] 8 | 9 | jobs: 10 | infection: 11 | name: "Running Infection" 12 | runs-on: ubuntu-latest 13 | steps: 14 | - uses: actions/checkout@v2 15 | 16 | - name: Setup PHP 17 | uses: shivammathur/setup-php@v2 18 | with: 19 | php-version: '8.3' 20 | extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, intl, fileinfo, sodium 21 | coverage: xdebug 22 | 23 | - name: Cache composer dependencies 24 | uses: actions/cache@v2 25 | with: 26 | path: vendor 27 | key: composer-${{ hashFiles('composer.lock') }} 28 | 29 | - name: Run composer install 30 | run: composer install -n --prefer-dist 31 | 32 | - name: Run infection 33 | run: ./vendor/bin/infection --show-mutations --min-msi=100 --min-covered-msi=100 34 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2022 Michael Rubél 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /.github/workflows/run-tests.yml: -------------------------------------------------------------------------------- 1 | name: run-tests 2 | 3 | on: 4 | push: 5 | branches: [main] 6 | pull_request: 7 | branches: [main] 8 | 9 | jobs: 10 | test: 11 | runs-on: ${{ matrix.os }} 12 | strategy: 13 | fail-fast: true 14 | matrix: 15 | os: [ubuntu-latest, windows-latest] 16 | php: [8.0, 8.1, 8.2, 8.3, 8.4] 17 | stability: [prefer-lowest, prefer-stable] 18 | 19 | name: P${{ matrix.php }} - ${{ matrix.stability }} - ${{ matrix.os }} 20 | 21 | steps: 22 | - name: Checkout code 23 | uses: actions/checkout@v2 24 | 25 | - name: Setup PHP 26 | uses: shivammathur/setup-php@v2 27 | with: 28 | php-version: ${{ matrix.php }} 29 | extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, intl, fileinfo, sodium 30 | coverage: pcov 31 | 32 | - name: Setup problem matchers 33 | run: | 34 | echo "::add-matcher::${{ runner.tool_cache }}/php.json" 35 | echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json" 36 | 37 | - name: Install dependencies 38 | run: composer update --prefer-dist --no-interaction 39 | 40 | - name: Execute tests 41 | run: vendor/bin/phpunit --coverage-clover build/clover.xml 42 | -------------------------------------------------------------------------------- /composer.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "michael-rubel/nullify", 3 | "description": "Convert empty data of any type to null.", 4 | "keywords": [ 5 | "michael-rubel", 6 | "nullify" 7 | ], 8 | "homepage": "https://github.com/michael-rubel/nullify", 9 | "license": "MIT", 10 | "authors": [ 11 | { 12 | "name": "Michael Rubel", 13 | "email": "michael@laravel.software", 14 | "homepage": "https://laravel.software", 15 | "role": "Developer" 16 | } 17 | ], 18 | "require": { 19 | "php": "^8.0" 20 | }, 21 | "require-dev": { 22 | "illuminate/support": "*", 23 | "infection/infection": "^0.26", 24 | "phpstan/phpstan": "^1.10", 25 | "phpunit/phpunit": "^9.5|^10.5", 26 | "symfony/var-dumper": "^5.4|^6.1" 27 | }, 28 | "autoload": { 29 | "psr-4": { 30 | "MichaelRubel\\Nullify\\": "src" 31 | } 32 | }, 33 | "autoload-dev": { 34 | "psr-4": { 35 | "MichaelRubel\\Nullify\\Tests\\": "tests" 36 | } 37 | }, 38 | "scripts": { 39 | "test": "./vendor/bin/phpunit --no-coverage", 40 | "test-coverage": "vendor/bin/phpunit --coverage-html coverage" 41 | }, 42 | "config": { 43 | "sort-packages": true, 44 | "allow-plugins": { 45 | "infection/extension-installer": true 46 | } 47 | }, 48 | "minimum-stability": "dev", 49 | "prefer-stable": true 50 | } 51 | -------------------------------------------------------------------------------- /src/Nullify.php: -------------------------------------------------------------------------------- 1 | 19 | */ 20 | class Nullify 21 | { 22 | /** 23 | * Perform the "Nullification". 😁 24 | * 25 | * @param mixed $values 26 | * 27 | * @return mixed 28 | */ 29 | public static function the(mixed $values): mixed 30 | { 31 | return static::nullify($values); 32 | } 33 | 34 | /** 35 | * "Nullify" the value or iterable. 36 | * 37 | * @param mixed $value 38 | * 39 | * @return mixed 40 | */ 41 | protected static function nullify(mixed $value): mixed 42 | { 43 | if (is_null($value) || static::blank($value)) { 44 | return null; 45 | } 46 | 47 | if (! is_iterable($value) && ! $value instanceof \ArrayAccess) { 48 | return $value; 49 | } 50 | 51 | $output = static::clone($value); 52 | 53 | foreach ($value as $key => $nested) { 54 | $output[$key] = static::nullify($nested); 55 | } 56 | 57 | return $output; 58 | } 59 | 60 | /** 61 | * Determine if the given value is "blank". 62 | * 63 | * @param mixed $value 64 | * 65 | * @return bool 66 | */ 67 | protected static function blank(mixed $value): bool 68 | { 69 | if (is_string($value)) { 70 | return trim($value) === ''; 71 | } 72 | 73 | if (is_numeric($value) || is_bool($value)) { 74 | return false; 75 | } 76 | 77 | if ($value instanceof \Countable) { 78 | return count($value) === 0; 79 | } 80 | 81 | if (is_object($value)) { 82 | return empty((array) $value); 83 | } 84 | 85 | return empty($value); 86 | } 87 | 88 | /** 89 | * Clone the object or return the given value. 90 | * 91 | * @param mixed $value 92 | * 93 | * @return mixed 94 | */ 95 | protected static function clone(mixed $value): mixed 96 | { 97 | return is_object($value) ? clone $value : $value; 98 | } 99 | } 100 | -------------------------------------------------------------------------------- /tests/NullifyArrayAccessTest.php: -------------------------------------------------------------------------------- 1 | assertSame($result['test'], Nullify::the($value)['test']); 20 | } 21 | 22 | public function testCanNullifyValuesInNestedArrayAccess() 23 | { 24 | $value = new ArrayAccessObject; 25 | $nested = new ArrayAccessObject; 26 | $nested['test'] = ''; 27 | $value['obj'] = $nested; 28 | $this->assertSame('', $value['obj']['test']); 29 | 30 | $result = new ArrayAccessObject; 31 | $nested = new ArrayAccessObject; 32 | $nested['test'] = null; 33 | $result['obj'] = $nested; 34 | $this->assertSame(null, $result['obj']['test']); 35 | 36 | $this->assertEquals($result, Nullify::the($value)); 37 | } 38 | 39 | public function testObjectIsImmutableAfterUsingNullify() 40 | { 41 | $value = new ArrayAccessObject; 42 | $nested = new ArrayAccessObject; 43 | $nested['test'] = ''; 44 | $value['obj'] = $nested; 45 | $this->assertSame('', $value['obj']['test']); 46 | 47 | $nullified = Nullify::the($value); 48 | $this->assertEquals($nested, $nullified['obj']); 49 | $this->assertSame(null, $nullified['obj']['test']); 50 | $this->assertSame('', $value['obj']['test']); 51 | } 52 | 53 | public function testArrayIsImmutableAfterUsingNullify() 54 | { 55 | $value = []; 56 | $nested = []; 57 | $nested['test'] = ''; 58 | $value['obj'] = $nested; 59 | $this->assertSame('', $value['obj']['test']); 60 | 61 | $nullified = Nullify::the($value); 62 | $this->assertEquals($nested, $nullified['obj']); 63 | $this->assertSame(null, $nullified['obj']['test']); 64 | $this->assertSame('', $value['obj']['test']); 65 | } 66 | } 67 | 68 | class ArrayAccessObject implements ArrayAccess 69 | { 70 | public object $obj; 71 | public ?string $test; 72 | 73 | public function offsetExists(mixed $offset): bool 74 | { 75 | return isset($this->{$offset}); 76 | } 77 | 78 | public function offsetGet(mixed $offset): mixed 79 | { 80 | return $this->{$offset}; 81 | } 82 | 83 | public function offsetSet(mixed $offset, mixed $value): void 84 | { 85 | $this->{$offset} = $value; 86 | } 87 | 88 | public function offsetUnset(mixed $offset): void 89 | { 90 | unset($this->{$offset}); 91 | } 92 | } 93 | -------------------------------------------------------------------------------- /tests/NullifyTest.php: -------------------------------------------------------------------------------- 1 | assertNull(Nullify::the($value)); 14 | } 15 | 16 | public function testCanPassInt() 17 | { 18 | $value = 0; 19 | $this->assertSame(0, Nullify::the($value)); 20 | } 21 | 22 | public function testCanPassString() 23 | { 24 | $value = ''; 25 | $this->assertNull(Nullify::the($value)); 26 | 27 | $value = 'test'; 28 | $this->assertSame($value, Nullify::the($value)); 29 | } 30 | 31 | public function testCanPassEmptyArray() 32 | { 33 | $value = []; 34 | $this->assertNull(Nullify::the($value)); 35 | 36 | $value = ['test']; 37 | $this->assertSame($value, Nullify::the($value)); 38 | } 39 | 40 | public function testCanPassObject() 41 | { 42 | $value = (object) ['test']; 43 | $this->assertSame($value, Nullify::the($value)); 44 | } 45 | 46 | public function testCanPassEmptyObject() 47 | { 48 | $value = (object) []; 49 | $this->assertNull(Nullify::the($value)); 50 | 51 | $value = new \stdClass; 52 | $this->assertNull(Nullify::the($value)); 53 | } 54 | 55 | public function testNullifiesNestedArrays() 56 | { 57 | $value = [ 58 | 'one' => [ 59 | 'one_and_half' => [], 60 | 'two' => ['three' => ['four' => '']] 61 | ] 62 | ]; 63 | 64 | $this->assertSame([ 65 | 'one' => [ 66 | 'one_and_half' => null, 67 | 'two' => ['three' => ['four' => null]] 68 | ] 69 | ], Nullify::the($value)); 70 | } 71 | 72 | public function testLeavesNullAsNullInArray() 73 | { 74 | $value = [ 75 | 'test' => null, 76 | ]; 77 | 78 | $this->assertSame($value, Nullify::the($value)); 79 | } 80 | 81 | public function testLeavesIntAsIntInArray() 82 | { 83 | $value = [ 84 | 'test' => 0, 85 | ]; 86 | 87 | $this->assertSame($value, Nullify::the($value)); 88 | } 89 | 90 | public function testLeavesStringAsStringInArray() 91 | { 92 | $value = [ 93 | 'test' => 'test', 94 | ]; 95 | 96 | $this->assertSame($value, Nullify::the($value)); 97 | } 98 | 99 | public function testLeavesObjectAsObjectInArray() 100 | { 101 | $value = [ 102 | 'test' => (object) ['test'], 103 | ]; 104 | 105 | $this->assertSame($value, Nullify::the($value)); 106 | } 107 | } 108 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ![Convert empty data of any type to null](https://user-images.githubusercontent.com/37669560/204819769-a4cf19ef-dec2-438a-aed7-b485206cb8e6.png) 2 | 3 | # Nullify 4 | [![tests](https://github.com/michael-rubel/nullify/actions/workflows/run-tests.yml/badge.svg)](https://github.com/michael-rubel/nullify/actions/workflows/run-tests.yml) 5 | [![infection](https://github.com/michael-rubel/nullify/actions/workflows/infection.yml/badge.svg)](https://github.com/michael-rubel/nullify/actions/workflows/infection.yml) 6 | [![backward-compat](https://github.com/michael-rubel/nullify/actions/workflows/bc-check.yml/badge.svg)](https://github.com/michael-rubel/nullify/actions/workflows/bc-check.yml) 7 | [![phpstan](https://github.com/michael-rubel/nullify/actions/workflows/phpstan.yml/badge.svg)](https://github.com/michael-rubel/nullify/actions/workflows/phpstan.yml) 8 | 9 | A plain PHP class to convert empty data of any type to `null` 10 | 11 | PHP `^8.0` is required to use this class. 12 | 13 | ## Installation 14 | 15 | ```bash 16 | composer require michael-rubel/nullify 17 | ``` 18 | 19 | ## Usage 20 | 21 | ```php 22 | use MichaelRubel\Nullify\Nullify; 23 | 24 | Nullify::the($value); 25 | ``` 26 | 27 | - **Note:** the class checks also nested [iterables](https://www.php.net/manual/en/function.is-iterable.php) and [ArrayAccess](https://www.php.net/manual/en/class.arrayaccess.php) objects. 28 | 29 | ## Examples 30 | ```php 31 | $value = null; 32 | Nullify::the($value); // null 33 | 34 | $value = ''; 35 | Nullify::the($value); // null 36 | 37 | $value = []; 38 | Nullify::the($value); // null 39 | 40 | $value = (object) []; 41 | Nullify::the($value); // null 42 | 43 | $value = new \stdClass; 44 | Nullify::the($value); // null 45 | ``` 46 | 47 | --- 48 | 49 | ⚡ Check nested elements: 50 | 51 | ```php 52 | $values = new Collection([ 53 | 'valid' => true, 54 | 'empty_array' => [], 55 | 'empty_string' => '', 56 | 'collection' => new Collection([ 57 | 'invalid' => new \stdClass, 58 | ]) 59 | ]); 60 | 61 | Nullify::the($values); 62 | 63 | // Illuminate\Support\Collection^ {#459 64 | // #items: array:4 [ 65 | // "valid" => true 66 | // "empty_array" => null 67 | // "empty_string" => null 68 | // "collection" => Illuminate\Support\Collection^ {#461 69 | // #items: array:1 [ 70 | // "invalid" => null 71 | // ] 72 | // #escapeWhenCastingToString: false 73 | // } 74 | // ] 75 | // #escapeWhenCastingToString: false 76 | // } 77 | ``` 78 | 79 | --- 80 | 81 | 📚 If you use [Laravel Collections](https://laravel.com/docs/master/collections), you can make a macro: 82 | 83 | ```php 84 | Collection::macro('nullify', function () { 85 | return $this->map(fn ($value) => Nullify::the($value)); 86 | }); 87 | 88 | collect(['', [], (object) [], new \stdClass, '✔']) 89 | ->nullify() 90 | ->toArray(); // [0 => null, 1 => null, 2 => null, 3 => null, 4 => '✔'] 91 | ``` 92 | 93 | ## Testing 94 | ```bash 95 | composer test 96 | ``` 97 | 98 | ## License 99 | The MIT License (MIT). Please see [License File](LICENSE.md) for more information. 100 | -------------------------------------------------------------------------------- /tests/NullifyCollectionTest.php: -------------------------------------------------------------------------------- 1 | assertNull((new Collection)->nullify()); 25 | } 26 | 27 | public function testCanNullifyValuesInCollection(): void 28 | { 29 | $result = Collection::make([ 30 | 'null' => null, 31 | 'empty' => '', 32 | 'space' => ' ', 33 | 'space_with_content' => ' test ', 34 | 'array' => [], 35 | 'collection' => collect(), 36 | 'countable' => new \SplObjectStorage, 37 | 'correct_one' => 'Correct one!', 38 | ])->nullify()->toArray(); 39 | 40 | $this->assertSame([ 41 | 'null' => null, 42 | 'empty' => null, 43 | 'space' => null, 44 | 'space_with_content' => ' test ', 45 | 'array' => null, 46 | 'collection' => null, 47 | 'countable' => null, 48 | 'correct_one' => 'Correct one!', 49 | ], $result); 50 | } 51 | 52 | public function testCanNullifyValuesWithNestedArrayAccess(): void 53 | { 54 | $result = Collection::make([ 55 | 'test' => new \SplObjectStorage, 56 | 'first_name' => collect(['first_part' => false, 'last_part' => '']), 57 | 'last_name' => collect(['first_part' => true, 'last_part' => []]), 58 | 'full_name' => collect(['first_part' => new \SplObjectStorage, 'last_part' => collect(['additional_part' => ['next_part' => ['deep_part' => '']]])]), 59 | ])->nullify()->toArray(); 60 | 61 | $this->assertSame([ 62 | 'test' => null, 63 | 'first_name' => ['first_part' => false, 'last_part' => null], 64 | 'last_name' => ['first_part' => true, 'last_part' => null], 65 | 'full_name' => ['first_part' => null, 'last_part' => ['additional_part' => ['next_part' => ['deep_part' => null]]]], 66 | ], $result); 67 | } 68 | 69 | /** @test */ 70 | public function testCanNullifyValuesWithoutConvertingToArray(): void 71 | { 72 | $nullified = Collection::make([ 73 | 'first_name' => ['first_part' => false, 'last_part' => ''], 74 | 'last_name' => collect(['first_part' => false, 'last_part' => []]), 75 | 'full_name' => ['first_part' => true, 'last_part' => collect(['additional_part' => ''])], 76 | ])->nullify(); 77 | 78 | $expected = Collection::make([ 79 | 'first_name' => ['first_part' => false, 'last_part' => null], 80 | 'last_name' => collect(['first_part' => false, 'last_part' => null]), 81 | 'full_name' => ['first_part' => true, 'last_part' => collect(['additional_part' => null])], 82 | ]); 83 | 84 | $this->assertEquals($expected, $nullified); 85 | } 86 | 87 | /** @test */ 88 | public function testArrayIteratorBehavesAsExpectedWhenNullify(): void 89 | { 90 | $nullified = Collection::make(['iterator' => new \ArrayIterator([1, 2, 3])])->nullify(); 91 | $expected = Collection::make(['iterator' => new \ArrayIterator([1, 2, 3])]); 92 | $this->assertEquals($expected, $nullified); 93 | 94 | $nullified = Collection::make(['iterator' => new \ArrayIterator])->nullify(); 95 | $expected = Collection::make(['iterator' => null]); 96 | $this->assertEquals($expected, $nullified); 97 | } 98 | } --------------------------------------------------------------------------------