| 1 | <?php |
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| 18 | class Type implements TypeInterface |
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| 19 | { |
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| 20 | use Serializable; |
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| 21 | |||
| 22 | /** |
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| 23 | * @var Type[] |
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| 24 | */ |
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| 25 | private static $instances = []; |
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| 26 | |||
| 27 | /** |
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| 28 | * @var array[]|string[][] |
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| 29 | */ |
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| 30 | private static $inheritance = []; |
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| 31 | |||
| 32 | /** |
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| 33 | * @var string |
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| 34 | */ |
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| 35 | protected $name; |
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| 36 | |||
| 37 | /** |
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| 38 | * BaseType constructor. |
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| 39 | * @param string $name |
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| 40 | */ |
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| 41 | private function __construct(string $name) |
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| 51 | |||
| 52 | /** |
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| 53 | * @var |
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| 54 | */ |
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| 55 | private function bootInheritance(): void |
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| 59 | |||
| 60 | /** |
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| 61 | * @param string $type |
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| 62 | * @return Type |
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| 63 | */ |
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| 64 | public static function of(string $type): Type |
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| 68 | |||
| 69 | /** |
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| 70 | * @return bool |
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| 71 | */ |
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| 72 | public function isDependent(): bool |
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| 76 | |||
| 77 | /** |
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| 78 | * @param TypeInterface $type |
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| 79 | * @return bool |
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| 80 | */ |
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| 81 | public function instanceOf(TypeInterface $type): bool |
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| 85 | |||
| 86 | /** |
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| 87 | * @return string |
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| 88 | */ |
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| 89 | public function __toString(): string |
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| 93 | |||
| 94 | /** |
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| 95 | * @return string |
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| 96 | */ |
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| 97 | public function getName(): string |
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| 101 | } |
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| 102 |
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: