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<?php |
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namespace SmartWeb\ModuleTesting\Util; |
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use DeepCopy\DeepCopy; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Collection; |
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use InvalidArgumentException; |
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use SmartWeb\ModuleTesting\Support\Concerns\MutatesAttributes; |
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use Traversable; |
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if (!function_exists('is_iterable')) { |
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/** |
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* true if a value is iterable and will be accepted by the iterable pseudo-type, false for other values. |
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* |
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* @param mixed $value |
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* |
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* @return bool |
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* |
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* @see \is_iterable() |
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* @link https://wiki.php.net/rfc/iterable |
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*/ |
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function is_iterable($value) |
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{ |
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return (is_array($value) or ($value instanceof Traversable)); |
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} |
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} |
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/** |
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* Trait BacksUpItems |
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* |
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* @package SmartWeb\Testing\Util |
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*/ |
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trait BacksUpItems |
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{ |
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use MutatesAttributes; |
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/** |
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* @var Collection |
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*/ |
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protected $items; |
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/** |
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* @var Collection |
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*/ |
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private $itemsBackup; |
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/** |
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* @var DeepCopy |
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*/ |
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private $copier; |
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/** |
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* @ignore |
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* |
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* @param $name |
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* |
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* @return mixed |
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*/ |
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final public function __get($name) |
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{ |
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if ($this->hasGetMutator($name)) { |
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return $this->getMutatedAttribute($name); |
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} |
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return $this->items[$name]; |
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} |
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/** |
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* @ignore |
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* |
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* @param $name |
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* @param $value |
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*/ |
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final public function __set($name, $value) |
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{ |
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$this->items[$name] = $value; |
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} |
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/** |
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* @param mixed[] ...$items |
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*/ |
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final protected function inject(...$items) |
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{ |
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$this->items = new Collection(); |
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foreach ($items as $item) { |
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if (is_iterable($item) && Arr::isAssoc($item)) { |
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$this->items = $this->items->merge($item); |
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} else { |
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throw new InvalidArgumentException("\$items must be an associative array."); |
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} |
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} |
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$this->itemsBackup = $this->items ?? new Collection(); |
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} |
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final protected function backupItems() |
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{ |
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$this->itemsBackup = $this->getCopier()->copy($this->items ?? new Collection()); |
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} |
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final protected function restoreItems() |
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{ |
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$this->items = $this->getCopier()->copy($this->itemsBackup); |
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$this->itemsBackup = null; |
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} |
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/** |
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* @return DeepCopy |
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*/ |
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private function getCopier() : DeepCopy |
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{ |
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return ($this->copier = $this->copier ?? new DeepCopy(true))->skipUncloneable(); |
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} |
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} |
SmartWebDK /
module-testing
PHP has two types of connecting operators (logical operators, and boolean operators):
and&&or||The difference between these is the order in which they are executed. In most cases, you would want to use a boolean operator like
&&, or||.Let’s take a look at a few examples:
Logical Operators are used for Control-Flow
One case where you explicitly want to use logical operators is for control-flow such as this:
Since
dieintroduces problems of its own, f.e. it makes our code hardly testable, and prevents any kind of more sophisticated error handling; you probably do not want to use this in real-world code. Unfortunately, logical operators cannot be combined withthrowat this point:These limitations lead to logical operators rarely being of use in current PHP code.