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6 changes: 3 additions & 3 deletions src/card.php
Original file line number Diff line number Diff line change
Expand Up @@ -367,7 +367,7 @@ function formatNumber(float $num, string $localeCode, bool $useShortNumbers): st
*
* @throws InvalidArgumentException If a locale does not exist
*/
function generateCard(array $stats, array $params = null): string
function generateCard(array $stats, ?array $params = null): string
{
$params = $params ?? $_REQUEST;

Expand Down Expand Up @@ -615,7 +615,7 @@ function generateCard(array $stats, array $params = null): string
* @param array<string,string>|NULL $params Request parameters
* @return string The generated SVG error card
*/
function generateErrorCard(string $message, array $params = null): string
function generateErrorCard(string $message, ?array $params = null): string
{
$params = $params ?? $_REQUEST;

Expand Down Expand Up @@ -807,7 +807,7 @@ function convertSvgToPng(string $svg, int $cardWidth, int $cardHeight): string
* @param int $errorCode The HTTP error code (used for JSON responses)
* @return array The Content-Type header and the response body, and status code in case of an error
*/
function generateOutput(string|array $output, array $params = null, int $errorCode = 200): array
function generateOutput(string|array $output, ?array $params = null, int $errorCode = 200): array
{
$params = $params ?? $_REQUEST;

Expand Down
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