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<?php |
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declare(strict_types=1); |
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namespace LM\Common\Type; |
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use InvalidArgumentException; |
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use LM\Common\Enum\Scalar; |
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/** |
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* Trait for checking types. |
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* |
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* @todo Turn it into a class instead? |
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* @deprecated |
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*/ |
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trait TypeCheckerTrait |
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{ |
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/** |
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* @param string $type The type to check. |
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* @return bool Whether the type is the array scalar type. |
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*/ |
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public function isArrayType(string $type): bool |
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{ |
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return Scalar::_ARRAY === $type; |
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} |
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/** |
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* @param string $type The type to check. |
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* @return bool Whether the type is the boolean scalar type. |
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*/ |
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public function isBoolType(string $type): bool |
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{ |
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return Scalar::_BOOL === $type; |
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} |
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/** |
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* @param string $type The type to check. |
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* @return bool Whether the type is the FQCN of a class or of an interface. |
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*/ |
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public function isClassOrInterfaceName(string $type): bool |
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{ |
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return class_exists($type) || interface_exists($type); |
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} |
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/** |
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* @param string $type The type to check. |
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* @return bool Whether the type is the scalar integer type. |
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*/ |
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public function isIntegerType(string $type): bool |
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{ |
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return Scalar::_INT === $type; |
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} |
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/** |
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* @param string $type The type to check. |
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* @return bool Whether the type is the string type. |
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*/ |
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public function isStringType(string $type): bool |
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{ |
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return Scalar::_STR === $type; |
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} |
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/** |
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* Throws an exception if the value is not of the expected type. |
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* @param mixed $value The value to check. |
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* @param string $type The type to check against. |
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* @throws InvalidArgumentException if the value is not of the specified |
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* type. |
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* @todo Use is_a or instanceof instead? |
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*/ |
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public function checkType($value, string $type): void |
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{ |
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if ($this->isArrayType($type)) { |
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if (!is_array($value)) { |
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throw new InvalidArgumentException(); |
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} |
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} elseif ($this->isStringType($type)) { |
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if (!is_string($value)) { |
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throw new InvalidArgumentException(); |
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} |
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} elseif ($this->isIntegerType($type)) { |
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if (!is_int($value)) { |
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throw new InvalidArgumentException(); |
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} |
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} elseif ($this->isBoolType($type)) { |
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if (!is_bool($value)) { |
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throw new InvalidArgumentException(); |
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} |
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} elseif ($this->isClassOrInterfaceName($type)) { |
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if (!is_object($value) || !is_a($value, $type)) { |
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throw new InvalidArgumentException(); |
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} |
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} else { |
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throw new InvalidArgumentException(); |
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} |
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} |
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} |
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matthewslouismarie /
auth-abstractor
