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Add PHP 8 compatibility #2

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Add PHP 8 compatibility #2

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21 changes: 20 additions & 1 deletion src/Postcode.php
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Original file line number Diff line number Diff line change
Expand Up @@ -317,7 +317,7 @@ public function split()
*
* @return string
*/
public function __toString()
public function __toString(): string
{
return (string) $this->normalise();
}
Expand Down Expand Up @@ -346,13 +346,32 @@ public function unserialize($serialized)
return $this->value;
}

/**
* Generates a storable representation of a value
*
*/
public function __serialize(): array
{
return [$this->value];
}

/**
* Creates a PHP value from a stored representation
*
*/
public function __unserialize(array $serialized): void
{
$this->value = $serialized[0];
}


/**
* Specify data which should be serialized to JSON
*
* @return mixed data which can be serialized by <b>json_encode</b>,
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
*/
#[\ReturnTypeWillChange]
public function jsonSerialize()
{
return [
Expand Down