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Add return types for jsonSerialize #92

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2 changes: 1 addition & 1 deletion composer.json
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
}
],
"require": {
"php": ">=7",
"php": ">=8",
"ext-json": "*"
},
"require-dev": {
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2 changes: 1 addition & 1 deletion src/Banking/Statement.php
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ class Statement implements \JsonSerializable
/**
* @return array
*/
public function jsonSerialize()
public function jsonSerialize(): mixed
{
return get_object_vars($this);
}
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2 changes: 1 addition & 1 deletion src/Banking/Transaction.php
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ class Transaction implements \JsonSerializable
/**
* @return array
*/
public function jsonSerialize()
public function jsonSerialize(): mixed
{
return get_object_vars($this);
}
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4 changes: 2 additions & 2 deletions src/Parser/Banking/Mt940.php
Original file line number Diff line number Diff line change
Expand Up @@ -20,11 +20,11 @@ class Mt940 extends Banking
* Parse the given string into an array of Banking\Statement objects.
*
* @param string $string
* @param Banking\Mt940\Engine $engine
* @param ?Banking\Mt940\Engine $engine
*
* @return \Kingsquare\Banking\Statement[]
*/
public function parse($string, Banking\Mt940\Engine $engine = null)
public function parse($string, ?Banking\Mt940\Engine $engine = null)
{
if (!empty($string)) {
// load engine
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